xref: /freebsd/contrib/llvm-project/openmp/runtime/src/kmp_settings.cpp (revision d8096b2df282d7a50e56eddba523bcdda1676106)
1 /*
2  * kmp_settings.cpp -- Initialize environment variables
3  */
4 
5 //===----------------------------------------------------------------------===//
6 //
7 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
8 // See https://llvm.org/LICENSE.txt for license information.
9 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #include "kmp.h"
14 #include "kmp_affinity.h"
15 #include "kmp_atomic.h"
16 #if KMP_USE_HIER_SCHED
17 #include "kmp_dispatch_hier.h"
18 #endif
19 #include "kmp_environment.h"
20 #include "kmp_i18n.h"
21 #include "kmp_io.h"
22 #include "kmp_itt.h"
23 #include "kmp_lock.h"
24 #include "kmp_settings.h"
25 #include "kmp_str.h"
26 #include "kmp_wrapper_getpid.h"
27 #include <ctype.h> // toupper()
28 #if OMPD_SUPPORT
29 #include "ompd-specific.h"
30 #endif
31 
32 static int __kmp_env_toPrint(char const *name, int flag);
33 
34 bool __kmp_env_format = 0; // 0 - old format; 1 - new format
35 
36 // -----------------------------------------------------------------------------
37 // Helper string functions. Subject to move to kmp_str.
38 
39 #ifdef USE_LOAD_BALANCE
40 static double __kmp_convert_to_double(char const *s) {
41   double result;
42 
43   if (KMP_SSCANF(s, "%lf", &result) < 1) {
44     result = 0.0;
45   }
46 
47   return result;
48 }
49 #endif
50 
51 #ifdef KMP_DEBUG
52 static unsigned int __kmp_readstr_with_sentinel(char *dest, char const *src,
53                                                 size_t len, char sentinel) {
54   unsigned int i;
55   for (i = 0; i < len; i++) {
56     if ((*src == '\0') || (*src == sentinel)) {
57       break;
58     }
59     *(dest++) = *(src++);
60   }
61   *dest = '\0';
62   return i;
63 }
64 #endif
65 
66 static int __kmp_match_with_sentinel(char const *a, char const *b, size_t len,
67                                      char sentinel) {
68   size_t l = 0;
69 
70   if (a == NULL)
71     a = "";
72   if (b == NULL)
73     b = "";
74   while (*a && *b && *b != sentinel) {
75     char ca = *a, cb = *b;
76 
77     if (ca >= 'a' && ca <= 'z')
78       ca -= 'a' - 'A';
79     if (cb >= 'a' && cb <= 'z')
80       cb -= 'a' - 'A';
81     if (ca != cb)
82       return FALSE;
83     ++l;
84     ++a;
85     ++b;
86   }
87   return l >= len;
88 }
89 
90 // Expected usage:
91 //     token is the token to check for.
92 //     buf is the string being parsed.
93 //     *end returns the char after the end of the token.
94 //        it is not modified unless a match occurs.
95 //
96 // Example 1:
97 //
98 //     if (__kmp_match_str("token", buf, *end) {
99 //         <do something>
100 //         buf = end;
101 //     }
102 //
103 //  Example 2:
104 //
105 //     if (__kmp_match_str("token", buf, *end) {
106 //         char *save = **end;
107 //         **end = sentinel;
108 //         <use any of the __kmp*_with_sentinel() functions>
109 //         **end = save;
110 //         buf = end;
111 //     }
112 
113 static int __kmp_match_str(char const *token, char const *buf,
114                            const char **end) {
115 
116   KMP_ASSERT(token != NULL);
117   KMP_ASSERT(buf != NULL);
118   KMP_ASSERT(end != NULL);
119 
120   while (*token && *buf) {
121     char ct = *token, cb = *buf;
122 
123     if (ct >= 'a' && ct <= 'z')
124       ct -= 'a' - 'A';
125     if (cb >= 'a' && cb <= 'z')
126       cb -= 'a' - 'A';
127     if (ct != cb)
128       return FALSE;
129     ++token;
130     ++buf;
131   }
132   if (*token) {
133     return FALSE;
134   }
135   *end = buf;
136   return TRUE;
137 }
138 
139 #if KMP_OS_DARWIN
140 static size_t __kmp_round4k(size_t size) {
141   size_t _4k = 4 * 1024;
142   if (size & (_4k - 1)) {
143     size &= ~(_4k - 1);
144     if (size <= KMP_SIZE_T_MAX - _4k) {
145       size += _4k; // Round up if there is no overflow.
146     }
147   }
148   return size;
149 } // __kmp_round4k
150 #endif
151 
152 /* Here, multipliers are like __kmp_convert_to_seconds, but floating-point
153    values are allowed, and the return value is in milliseconds.  The default
154    multiplier is milliseconds.  Returns INT_MAX only if the value specified
155    matches "infinit*".  Returns -1 if specified string is invalid. */
156 int __kmp_convert_to_milliseconds(char const *data) {
157   int ret, nvalues, factor;
158   char mult, extra;
159   double value;
160 
161   if (data == NULL)
162     return (-1);
163   if (__kmp_str_match("infinit", -1, data))
164     return (INT_MAX);
165   value = (double)0.0;
166   mult = '\0';
167 #if KMP_OS_WINDOWS && KMP_MSVC_COMPAT
168   // On Windows, each %c parameter needs additional size parameter for sscanf_s
169   nvalues = KMP_SSCANF(data, "%lf%c%c", &value, &mult, 1, &extra, 1);
170 #else
171   nvalues = KMP_SSCANF(data, "%lf%c%c", &value, &mult, &extra);
172 #endif
173   if (nvalues < 1)
174     return (-1);
175   if (nvalues == 1)
176     mult = '\0';
177   if (nvalues == 3)
178     return (-1);
179 
180   if (value < 0)
181     return (-1);
182 
183   switch (mult) {
184   case '\0':
185     /*  default is milliseconds  */
186     factor = 1;
187     break;
188   case 's':
189   case 'S':
190     factor = 1000;
191     break;
192   case 'm':
193   case 'M':
194     factor = 1000 * 60;
195     break;
196   case 'h':
197   case 'H':
198     factor = 1000 * 60 * 60;
199     break;
200   case 'd':
201   case 'D':
202     factor = 1000 * 24 * 60 * 60;
203     break;
204   default:
205     return (-1);
206   }
207 
208   if (value >= ((INT_MAX - 1) / factor))
209     ret = INT_MAX - 1; /* Don't allow infinite value here */
210   else
211     ret = (int)(value * (double)factor); /* truncate to int  */
212 
213   return ret;
214 }
215 
216 static int __kmp_strcasecmp_with_sentinel(char const *a, char const *b,
217                                           char sentinel) {
218   if (a == NULL)
219     a = "";
220   if (b == NULL)
221     b = "";
222   while (*a && *b && *b != sentinel) {
223     char ca = *a, cb = *b;
224 
225     if (ca >= 'a' && ca <= 'z')
226       ca -= 'a' - 'A';
227     if (cb >= 'a' && cb <= 'z')
228       cb -= 'a' - 'A';
229     if (ca != cb)
230       return (int)(unsigned char)*a - (int)(unsigned char)*b;
231     ++a;
232     ++b;
233   }
234   return *a                       ? (*b && *b != sentinel)
235                                         ? (int)(unsigned char)*a - (int)(unsigned char)*b
236                                         : 1
237          : (*b && *b != sentinel) ? -1
238                                   : 0;
239 }
240 
241 // =============================================================================
242 // Table structures and helper functions.
243 
244 typedef struct __kmp_setting kmp_setting_t;
245 typedef struct __kmp_stg_ss_data kmp_stg_ss_data_t;
246 typedef struct __kmp_stg_wp_data kmp_stg_wp_data_t;
247 typedef struct __kmp_stg_fr_data kmp_stg_fr_data_t;
248 
249 typedef void (*kmp_stg_parse_func_t)(char const *name, char const *value,
250                                      void *data);
251 typedef void (*kmp_stg_print_func_t)(kmp_str_buf_t *buffer, char const *name,
252                                      void *data);
253 
254 struct __kmp_setting {
255   char const *name; // Name of setting (environment variable).
256   kmp_stg_parse_func_t parse; // Parser function.
257   kmp_stg_print_func_t print; // Print function.
258   void *data; // Data passed to parser and printer.
259   int set; // Variable set during this "session"
260   //     (__kmp_env_initialize() or kmp_set_defaults() call).
261   int defined; // Variable set in any "session".
262 }; // struct __kmp_setting
263 
264 struct __kmp_stg_ss_data {
265   size_t factor; // Default factor: 1 for KMP_STACKSIZE, 1024 for others.
266   kmp_setting_t **rivals; // Array of pointers to rivals (including itself).
267 }; // struct __kmp_stg_ss_data
268 
269 struct __kmp_stg_wp_data {
270   int omp; // 0 -- KMP_LIBRARY, 1 -- OMP_WAIT_POLICY.
271   kmp_setting_t **rivals; // Array of pointers to rivals (including itself).
272 }; // struct __kmp_stg_wp_data
273 
274 struct __kmp_stg_fr_data {
275   int force; // 0 -- KMP_DETERMINISTIC_REDUCTION, 1 -- KMP_FORCE_REDUCTION.
276   kmp_setting_t **rivals; // Array of pointers to rivals (including itself).
277 }; // struct __kmp_stg_fr_data
278 
279 static int __kmp_stg_check_rivals( // 0 -- Ok, 1 -- errors found.
280     char const *name, // Name of variable.
281     char const *value, // Value of the variable.
282     kmp_setting_t **rivals // List of rival settings (must include current one).
283 );
284 
285 // -----------------------------------------------------------------------------
286 // Helper parse functions.
287 
288 static void __kmp_stg_parse_bool(char const *name, char const *value,
289                                  int *out) {
290   if (__kmp_str_match_true(value)) {
291     *out = TRUE;
292   } else if (__kmp_str_match_false(value)) {
293     *out = FALSE;
294   } else {
295     __kmp_msg(kmp_ms_warning, KMP_MSG(BadBoolValue, name, value),
296               KMP_HNT(ValidBoolValues), __kmp_msg_null);
297   }
298 } // __kmp_stg_parse_bool
299 
300 // placed here in order to use __kmp_round4k static function
301 void __kmp_check_stksize(size_t *val) {
302   // if system stack size is too big then limit the size for worker threads
303   if (*val > KMP_DEFAULT_STKSIZE * 16) // just a heuristics...
304     *val = KMP_DEFAULT_STKSIZE * 16;
305   if (*val < __kmp_sys_min_stksize)
306     *val = __kmp_sys_min_stksize;
307   if (*val > KMP_MAX_STKSIZE)
308     *val = KMP_MAX_STKSIZE; // dead code currently, but may work in future
309 #if KMP_OS_DARWIN
310   *val = __kmp_round4k(*val);
311 #endif // KMP_OS_DARWIN
312 }
313 
314 static void __kmp_stg_parse_size(char const *name, char const *value,
315                                  size_t size_min, size_t size_max,
316                                  int *is_specified, size_t *out,
317                                  size_t factor) {
318   char const *msg = NULL;
319 #if KMP_OS_DARWIN
320   size_min = __kmp_round4k(size_min);
321   size_max = __kmp_round4k(size_max);
322 #endif // KMP_OS_DARWIN
323   if (value) {
324     if (is_specified != NULL) {
325       *is_specified = 1;
326     }
327     __kmp_str_to_size(value, out, factor, &msg);
328     if (msg == NULL) {
329       if (*out > size_max) {
330         *out = size_max;
331         msg = KMP_I18N_STR(ValueTooLarge);
332       } else if (*out < size_min) {
333         *out = size_min;
334         msg = KMP_I18N_STR(ValueTooSmall);
335       } else {
336 #if KMP_OS_DARWIN
337         size_t round4k = __kmp_round4k(*out);
338         if (*out != round4k) {
339           *out = round4k;
340           msg = KMP_I18N_STR(NotMultiple4K);
341         }
342 #endif
343       }
344     } else {
345       // If integer overflow occurred, * out == KMP_SIZE_T_MAX. Cut it to
346       // size_max silently.
347       if (*out < size_min) {
348         *out = size_max;
349       } else if (*out > size_max) {
350         *out = size_max;
351       }
352     }
353     if (msg != NULL) {
354       // Message is not empty. Print warning.
355       kmp_str_buf_t buf;
356       __kmp_str_buf_init(&buf);
357       __kmp_str_buf_print_size(&buf, *out);
358       KMP_WARNING(ParseSizeIntWarn, name, value, msg);
359       KMP_INFORM(Using_str_Value, name, buf.str);
360       __kmp_str_buf_free(&buf);
361     }
362   }
363 } // __kmp_stg_parse_size
364 
365 static void __kmp_stg_parse_str(char const *name, char const *value,
366                                 char **out) {
367   __kmp_str_free(out);
368   *out = __kmp_str_format("%s", value);
369 } // __kmp_stg_parse_str
370 
371 static void __kmp_stg_parse_int(
372     char const
373         *name, // I: Name of environment variable (used in warning messages).
374     char const *value, // I: Value of environment variable to parse.
375     int min, // I: Minimum allowed value.
376     int max, // I: Maximum allowed value.
377     int *out // O: Output (parsed) value.
378 ) {
379   char const *msg = NULL;
380   kmp_uint64 uint = *out;
381   __kmp_str_to_uint(value, &uint, &msg);
382   if (msg == NULL) {
383     if (uint < (unsigned int)min) {
384       msg = KMP_I18N_STR(ValueTooSmall);
385       uint = min;
386     } else if (uint > (unsigned int)max) {
387       msg = KMP_I18N_STR(ValueTooLarge);
388       uint = max;
389     }
390   } else {
391     // If overflow occurred msg contains error message and uint is very big. Cut
392     // tmp it to INT_MAX.
393     if (uint < (unsigned int)min) {
394       uint = min;
395     } else if (uint > (unsigned int)max) {
396       uint = max;
397     }
398   }
399   if (msg != NULL) {
400     // Message is not empty. Print warning.
401     kmp_str_buf_t buf;
402     KMP_WARNING(ParseSizeIntWarn, name, value, msg);
403     __kmp_str_buf_init(&buf);
404     __kmp_str_buf_print(&buf, "%" KMP_UINT64_SPEC "", uint);
405     KMP_INFORM(Using_uint64_Value, name, buf.str);
406     __kmp_str_buf_free(&buf);
407   }
408   __kmp_type_convert(uint, out);
409 } // __kmp_stg_parse_int
410 
411 #if KMP_DEBUG_ADAPTIVE_LOCKS
412 static void __kmp_stg_parse_file(char const *name, char const *value,
413                                  const char *suffix, char **out) {
414   char buffer[256];
415   char *t;
416   int hasSuffix;
417   __kmp_str_free(out);
418   t = (char *)strrchr(value, '.');
419   hasSuffix = t && __kmp_str_eqf(t, suffix);
420   t = __kmp_str_format("%s%s", value, hasSuffix ? "" : suffix);
421   __kmp_expand_file_name(buffer, sizeof(buffer), t);
422   __kmp_str_free(&t);
423   *out = __kmp_str_format("%s", buffer);
424 } // __kmp_stg_parse_file
425 #endif
426 
427 #ifdef KMP_DEBUG
428 static char *par_range_to_print = NULL;
429 
430 static void __kmp_stg_parse_par_range(char const *name, char const *value,
431                                       int *out_range, char *out_routine,
432                                       char *out_file, int *out_lb,
433                                       int *out_ub) {
434   const char *par_range_value;
435   size_t len = KMP_STRLEN(value) + 1;
436   par_range_to_print = (char *)KMP_INTERNAL_MALLOC(len + 1);
437   KMP_STRNCPY_S(par_range_to_print, len + 1, value, len + 1);
438   __kmp_par_range = +1;
439   __kmp_par_range_lb = 0;
440   __kmp_par_range_ub = INT_MAX;
441   for (;;) {
442     unsigned int len;
443     if (!value || *value == '\0') {
444       break;
445     }
446     if (!__kmp_strcasecmp_with_sentinel("routine", value, '=')) {
447       par_range_value = strchr(value, '=') + 1;
448       if (!par_range_value)
449         goto par_range_error;
450       value = par_range_value;
451       len = __kmp_readstr_with_sentinel(out_routine, value,
452                                         KMP_PAR_RANGE_ROUTINE_LEN - 1, ',');
453       if (len == 0) {
454         goto par_range_error;
455       }
456       value = strchr(value, ',');
457       if (value != NULL) {
458         value++;
459       }
460       continue;
461     }
462     if (!__kmp_strcasecmp_with_sentinel("filename", value, '=')) {
463       par_range_value = strchr(value, '=') + 1;
464       if (!par_range_value)
465         goto par_range_error;
466       value = par_range_value;
467       len = __kmp_readstr_with_sentinel(out_file, value,
468                                         KMP_PAR_RANGE_FILENAME_LEN - 1, ',');
469       if (len == 0) {
470         goto par_range_error;
471       }
472       value = strchr(value, ',');
473       if (value != NULL) {
474         value++;
475       }
476       continue;
477     }
478     if ((!__kmp_strcasecmp_with_sentinel("range", value, '=')) ||
479         (!__kmp_strcasecmp_with_sentinel("incl_range", value, '='))) {
480       par_range_value = strchr(value, '=') + 1;
481       if (!par_range_value)
482         goto par_range_error;
483       value = par_range_value;
484       if (KMP_SSCANF(value, "%d:%d", out_lb, out_ub) != 2) {
485         goto par_range_error;
486       }
487       *out_range = +1;
488       value = strchr(value, ',');
489       if (value != NULL) {
490         value++;
491       }
492       continue;
493     }
494     if (!__kmp_strcasecmp_with_sentinel("excl_range", value, '=')) {
495       par_range_value = strchr(value, '=') + 1;
496       if (!par_range_value)
497         goto par_range_error;
498       value = par_range_value;
499       if (KMP_SSCANF(value, "%d:%d", out_lb, out_ub) != 2) {
500         goto par_range_error;
501       }
502       *out_range = -1;
503       value = strchr(value, ',');
504       if (value != NULL) {
505         value++;
506       }
507       continue;
508     }
509   par_range_error:
510     KMP_WARNING(ParRangeSyntax, name);
511     __kmp_par_range = 0;
512     break;
513   }
514 } // __kmp_stg_parse_par_range
515 #endif
516 
517 int __kmp_initial_threads_capacity(int req_nproc) {
518   int nth = 32;
519 
520   /* MIN( MAX( 32, 4 * $OMP_NUM_THREADS, 4 * omp_get_num_procs() ),
521    * __kmp_max_nth) */
522   if (nth < (4 * req_nproc))
523     nth = (4 * req_nproc);
524   if (nth < (4 * __kmp_xproc))
525     nth = (4 * __kmp_xproc);
526 
527   // If hidden helper task is enabled, we initialize the thread capacity with
528   // extra __kmp_hidden_helper_threads_num.
529   if (__kmp_enable_hidden_helper) {
530     nth += __kmp_hidden_helper_threads_num;
531   }
532 
533   if (nth > __kmp_max_nth)
534     nth = __kmp_max_nth;
535 
536   return nth;
537 }
538 
539 int __kmp_default_tp_capacity(int req_nproc, int max_nth,
540                               int all_threads_specified) {
541   int nth = 128;
542 
543   if (all_threads_specified)
544     return max_nth;
545   /* MIN( MAX (128, 4 * $OMP_NUM_THREADS, 4 * omp_get_num_procs() ),
546    * __kmp_max_nth ) */
547   if (nth < (4 * req_nproc))
548     nth = (4 * req_nproc);
549   if (nth < (4 * __kmp_xproc))
550     nth = (4 * __kmp_xproc);
551 
552   if (nth > __kmp_max_nth)
553     nth = __kmp_max_nth;
554 
555   return nth;
556 }
557 
558 // -----------------------------------------------------------------------------
559 // Helper print functions.
560 
561 static void __kmp_stg_print_bool(kmp_str_buf_t *buffer, char const *name,
562                                  int value) {
563   if (__kmp_env_format) {
564     KMP_STR_BUF_PRINT_BOOL;
565   } else {
566     __kmp_str_buf_print(buffer, "   %s=%s\n", name, value ? "true" : "false");
567   }
568 } // __kmp_stg_print_bool
569 
570 static void __kmp_stg_print_int(kmp_str_buf_t *buffer, char const *name,
571                                 int value) {
572   if (__kmp_env_format) {
573     KMP_STR_BUF_PRINT_INT;
574   } else {
575     __kmp_str_buf_print(buffer, "   %s=%d\n", name, value);
576   }
577 } // __kmp_stg_print_int
578 
579 static void __kmp_stg_print_uint64(kmp_str_buf_t *buffer, char const *name,
580                                    kmp_uint64 value) {
581   if (__kmp_env_format) {
582     KMP_STR_BUF_PRINT_UINT64;
583   } else {
584     __kmp_str_buf_print(buffer, "   %s=%" KMP_UINT64_SPEC "\n", name, value);
585   }
586 } // __kmp_stg_print_uint64
587 
588 static void __kmp_stg_print_str(kmp_str_buf_t *buffer, char const *name,
589                                 char const *value) {
590   if (__kmp_env_format) {
591     KMP_STR_BUF_PRINT_STR;
592   } else {
593     __kmp_str_buf_print(buffer, "   %s=%s\n", name, value);
594   }
595 } // __kmp_stg_print_str
596 
597 static void __kmp_stg_print_size(kmp_str_buf_t *buffer, char const *name,
598                                  size_t value) {
599   if (__kmp_env_format) {
600     KMP_STR_BUF_PRINT_NAME_EX(name);
601     __kmp_str_buf_print_size(buffer, value);
602     __kmp_str_buf_print(buffer, "'\n");
603   } else {
604     __kmp_str_buf_print(buffer, "   %s=", name);
605     __kmp_str_buf_print_size(buffer, value);
606     __kmp_str_buf_print(buffer, "\n");
607     return;
608   }
609 } // __kmp_stg_print_size
610 
611 // =============================================================================
612 // Parse and print functions.
613 
614 // -----------------------------------------------------------------------------
615 // KMP_DEVICE_THREAD_LIMIT, KMP_ALL_THREADS
616 
617 static void __kmp_stg_parse_device_thread_limit(char const *name,
618                                                 char const *value, void *data) {
619   kmp_setting_t **rivals = (kmp_setting_t **)data;
620   int rc;
621   if (strcmp(name, "KMP_ALL_THREADS") == 0) {
622     KMP_INFORM(EnvVarDeprecated, name, "KMP_DEVICE_THREAD_LIMIT");
623   }
624   rc = __kmp_stg_check_rivals(name, value, rivals);
625   if (rc) {
626     return;
627   }
628   if (!__kmp_strcasecmp_with_sentinel("all", value, 0)) {
629     __kmp_max_nth = __kmp_xproc;
630     __kmp_allThreadsSpecified = 1;
631   } else {
632     __kmp_stg_parse_int(name, value, 1, __kmp_sys_max_nth, &__kmp_max_nth);
633     __kmp_allThreadsSpecified = 0;
634   }
635   K_DIAG(1, ("__kmp_max_nth == %d\n", __kmp_max_nth));
636 
637 } // __kmp_stg_parse_device_thread_limit
638 
639 static void __kmp_stg_print_device_thread_limit(kmp_str_buf_t *buffer,
640                                                 char const *name, void *data) {
641   __kmp_stg_print_int(buffer, name, __kmp_max_nth);
642 } // __kmp_stg_print_device_thread_limit
643 
644 // -----------------------------------------------------------------------------
645 // OMP_THREAD_LIMIT
646 static void __kmp_stg_parse_thread_limit(char const *name, char const *value,
647                                          void *data) {
648   __kmp_stg_parse_int(name, value, 1, __kmp_sys_max_nth, &__kmp_cg_max_nth);
649   K_DIAG(1, ("__kmp_cg_max_nth == %d\n", __kmp_cg_max_nth));
650 
651 } // __kmp_stg_parse_thread_limit
652 
653 static void __kmp_stg_print_thread_limit(kmp_str_buf_t *buffer,
654                                          char const *name, void *data) {
655   __kmp_stg_print_int(buffer, name, __kmp_cg_max_nth);
656 } // __kmp_stg_print_thread_limit
657 
658 // -----------------------------------------------------------------------------
659 // OMP_NUM_TEAMS
660 static void __kmp_stg_parse_nteams(char const *name, char const *value,
661                                    void *data) {
662   __kmp_stg_parse_int(name, value, 1, __kmp_sys_max_nth, &__kmp_nteams);
663   K_DIAG(1, ("__kmp_nteams == %d\n", __kmp_nteams));
664 } // __kmp_stg_parse_nteams
665 
666 static void __kmp_stg_print_nteams(kmp_str_buf_t *buffer, char const *name,
667                                    void *data) {
668   __kmp_stg_print_int(buffer, name, __kmp_nteams);
669 } // __kmp_stg_print_nteams
670 
671 // -----------------------------------------------------------------------------
672 // OMP_TEAMS_THREAD_LIMIT
673 static void __kmp_stg_parse_teams_th_limit(char const *name, char const *value,
674                                            void *data) {
675   __kmp_stg_parse_int(name, value, 1, __kmp_sys_max_nth,
676                       &__kmp_teams_thread_limit);
677   K_DIAG(1, ("__kmp_teams_thread_limit == %d\n", __kmp_teams_thread_limit));
678 } // __kmp_stg_parse_teams_th_limit
679 
680 static void __kmp_stg_print_teams_th_limit(kmp_str_buf_t *buffer,
681                                            char const *name, void *data) {
682   __kmp_stg_print_int(buffer, name, __kmp_teams_thread_limit);
683 } // __kmp_stg_print_teams_th_limit
684 
685 // -----------------------------------------------------------------------------
686 // KMP_TEAMS_THREAD_LIMIT
687 static void __kmp_stg_parse_teams_thread_limit(char const *name,
688                                                char const *value, void *data) {
689   __kmp_stg_parse_int(name, value, 1, __kmp_sys_max_nth, &__kmp_teams_max_nth);
690 } // __kmp_stg_teams_thread_limit
691 
692 static void __kmp_stg_print_teams_thread_limit(kmp_str_buf_t *buffer,
693                                                char const *name, void *data) {
694   __kmp_stg_print_int(buffer, name, __kmp_teams_max_nth);
695 } // __kmp_stg_print_teams_thread_limit
696 
697 // -----------------------------------------------------------------------------
698 // KMP_USE_YIELD
699 static void __kmp_stg_parse_use_yield(char const *name, char const *value,
700                                       void *data) {
701   __kmp_stg_parse_int(name, value, 0, 2, &__kmp_use_yield);
702   __kmp_use_yield_exp_set = 1;
703 } // __kmp_stg_parse_use_yield
704 
705 static void __kmp_stg_print_use_yield(kmp_str_buf_t *buffer, char const *name,
706                                       void *data) {
707   __kmp_stg_print_int(buffer, name, __kmp_use_yield);
708 } // __kmp_stg_print_use_yield
709 
710 // -----------------------------------------------------------------------------
711 // KMP_BLOCKTIME
712 
713 static void __kmp_stg_parse_blocktime(char const *name, char const *value,
714                                       void *data) {
715   __kmp_dflt_blocktime = __kmp_convert_to_milliseconds(value);
716   if (__kmp_dflt_blocktime < 0) {
717     __kmp_dflt_blocktime = KMP_DEFAULT_BLOCKTIME;
718     __kmp_msg(kmp_ms_warning, KMP_MSG(InvalidValue, name, value),
719               __kmp_msg_null);
720     KMP_INFORM(Using_int_Value, name, __kmp_dflt_blocktime);
721     __kmp_env_blocktime = FALSE; // Revert to default as if var not set.
722   } else {
723     if (__kmp_dflt_blocktime < KMP_MIN_BLOCKTIME) {
724       __kmp_dflt_blocktime = KMP_MIN_BLOCKTIME;
725       __kmp_msg(kmp_ms_warning, KMP_MSG(SmallValue, name, value),
726                 __kmp_msg_null);
727       KMP_INFORM(MinValueUsing, name, __kmp_dflt_blocktime);
728     } else if (__kmp_dflt_blocktime > KMP_MAX_BLOCKTIME) {
729       __kmp_dflt_blocktime = KMP_MAX_BLOCKTIME;
730       __kmp_msg(kmp_ms_warning, KMP_MSG(LargeValue, name, value),
731                 __kmp_msg_null);
732       KMP_INFORM(MaxValueUsing, name, __kmp_dflt_blocktime);
733     }
734     __kmp_env_blocktime = TRUE; // KMP_BLOCKTIME was specified.
735   }
736 #if KMP_USE_MONITOR
737   // calculate number of monitor thread wakeup intervals corresponding to
738   // blocktime.
739   __kmp_monitor_wakeups =
740       KMP_WAKEUPS_FROM_BLOCKTIME(__kmp_dflt_blocktime, __kmp_monitor_wakeups);
741   __kmp_bt_intervals =
742       KMP_INTERVALS_FROM_BLOCKTIME(__kmp_dflt_blocktime, __kmp_monitor_wakeups);
743 #endif
744   K_DIAG(1, ("__kmp_env_blocktime == %d\n", __kmp_env_blocktime));
745   if (__kmp_env_blocktime) {
746     K_DIAG(1, ("__kmp_dflt_blocktime == %d\n", __kmp_dflt_blocktime));
747   }
748 } // __kmp_stg_parse_blocktime
749 
750 static void __kmp_stg_print_blocktime(kmp_str_buf_t *buffer, char const *name,
751                                       void *data) {
752   __kmp_stg_print_int(buffer, name, __kmp_dflt_blocktime);
753 } // __kmp_stg_print_blocktime
754 
755 // -----------------------------------------------------------------------------
756 // KMP_DUPLICATE_LIB_OK
757 
758 static void __kmp_stg_parse_duplicate_lib_ok(char const *name,
759                                              char const *value, void *data) {
760   /* actually this variable is not supported, put here for compatibility with
761      earlier builds and for static/dynamic combination */
762   __kmp_stg_parse_bool(name, value, &__kmp_duplicate_library_ok);
763 } // __kmp_stg_parse_duplicate_lib_ok
764 
765 static void __kmp_stg_print_duplicate_lib_ok(kmp_str_buf_t *buffer,
766                                              char const *name, void *data) {
767   __kmp_stg_print_bool(buffer, name, __kmp_duplicate_library_ok);
768 } // __kmp_stg_print_duplicate_lib_ok
769 
770 // -----------------------------------------------------------------------------
771 // KMP_INHERIT_FP_CONTROL
772 
773 #if KMP_ARCH_X86 || KMP_ARCH_X86_64
774 
775 static void __kmp_stg_parse_inherit_fp_control(char const *name,
776                                                char const *value, void *data) {
777   __kmp_stg_parse_bool(name, value, &__kmp_inherit_fp_control);
778 } // __kmp_stg_parse_inherit_fp_control
779 
780 static void __kmp_stg_print_inherit_fp_control(kmp_str_buf_t *buffer,
781                                                char const *name, void *data) {
782 #if KMP_DEBUG
783   __kmp_stg_print_bool(buffer, name, __kmp_inherit_fp_control);
784 #endif /* KMP_DEBUG */
785 } // __kmp_stg_print_inherit_fp_control
786 
787 #endif /* KMP_ARCH_X86 || KMP_ARCH_X86_64 */
788 
789 // Used for OMP_WAIT_POLICY
790 static char const *blocktime_str = NULL;
791 
792 // -----------------------------------------------------------------------------
793 // KMP_LIBRARY, OMP_WAIT_POLICY
794 
795 static void __kmp_stg_parse_wait_policy(char const *name, char const *value,
796                                         void *data) {
797 
798   kmp_stg_wp_data_t *wait = (kmp_stg_wp_data_t *)data;
799   int rc;
800 
801   rc = __kmp_stg_check_rivals(name, value, wait->rivals);
802   if (rc) {
803     return;
804   }
805 
806   if (wait->omp) {
807     if (__kmp_str_match("ACTIVE", 1, value)) {
808       __kmp_library = library_turnaround;
809       if (blocktime_str == NULL) {
810         // KMP_BLOCKTIME not specified, so set default to "infinite".
811         __kmp_dflt_blocktime = KMP_MAX_BLOCKTIME;
812       }
813     } else if (__kmp_str_match("PASSIVE", 1, value)) {
814       __kmp_library = library_throughput;
815       if (blocktime_str == NULL) {
816         // KMP_BLOCKTIME not specified, so set default to 0.
817         __kmp_dflt_blocktime = 0;
818       }
819     } else {
820       KMP_WARNING(StgInvalidValue, name, value);
821     }
822   } else {
823     if (__kmp_str_match("serial", 1, value)) { /* S */
824       __kmp_library = library_serial;
825     } else if (__kmp_str_match("throughput", 2, value)) { /* TH */
826       __kmp_library = library_throughput;
827       if (blocktime_str == NULL) {
828         // KMP_BLOCKTIME not specified, so set default to 0.
829         __kmp_dflt_blocktime = 0;
830       }
831     } else if (__kmp_str_match("turnaround", 2, value)) { /* TU */
832       __kmp_library = library_turnaround;
833     } else if (__kmp_str_match("dedicated", 1, value)) { /* D */
834       __kmp_library = library_turnaround;
835     } else if (__kmp_str_match("multiuser", 1, value)) { /* M */
836       __kmp_library = library_throughput;
837       if (blocktime_str == NULL) {
838         // KMP_BLOCKTIME not specified, so set default to 0.
839         __kmp_dflt_blocktime = 0;
840       }
841     } else {
842       KMP_WARNING(StgInvalidValue, name, value);
843     }
844   }
845 } // __kmp_stg_parse_wait_policy
846 
847 static void __kmp_stg_print_wait_policy(kmp_str_buf_t *buffer, char const *name,
848                                         void *data) {
849 
850   kmp_stg_wp_data_t *wait = (kmp_stg_wp_data_t *)data;
851   char const *value = NULL;
852 
853   if (wait->omp) {
854     switch (__kmp_library) {
855     case library_turnaround: {
856       value = "ACTIVE";
857     } break;
858     case library_throughput: {
859       value = "PASSIVE";
860     } break;
861     }
862   } else {
863     switch (__kmp_library) {
864     case library_serial: {
865       value = "serial";
866     } break;
867     case library_turnaround: {
868       value = "turnaround";
869     } break;
870     case library_throughput: {
871       value = "throughput";
872     } break;
873     }
874   }
875   if (value != NULL) {
876     __kmp_stg_print_str(buffer, name, value);
877   }
878 
879 } // __kmp_stg_print_wait_policy
880 
881 #if KMP_USE_MONITOR
882 // -----------------------------------------------------------------------------
883 // KMP_MONITOR_STACKSIZE
884 
885 static void __kmp_stg_parse_monitor_stacksize(char const *name,
886                                               char const *value, void *data) {
887   __kmp_stg_parse_size(name, value, __kmp_sys_min_stksize, KMP_MAX_STKSIZE,
888                        NULL, &__kmp_monitor_stksize, 1);
889 } // __kmp_stg_parse_monitor_stacksize
890 
891 static void __kmp_stg_print_monitor_stacksize(kmp_str_buf_t *buffer,
892                                               char const *name, void *data) {
893   if (__kmp_env_format) {
894     if (__kmp_monitor_stksize > 0)
895       KMP_STR_BUF_PRINT_NAME_EX(name);
896     else
897       KMP_STR_BUF_PRINT_NAME;
898   } else {
899     __kmp_str_buf_print(buffer, "   %s", name);
900   }
901   if (__kmp_monitor_stksize > 0) {
902     __kmp_str_buf_print_size(buffer, __kmp_monitor_stksize);
903   } else {
904     __kmp_str_buf_print(buffer, ": %s\n", KMP_I18N_STR(NotDefined));
905   }
906   if (__kmp_env_format && __kmp_monitor_stksize) {
907     __kmp_str_buf_print(buffer, "'\n");
908   }
909 } // __kmp_stg_print_monitor_stacksize
910 #endif // KMP_USE_MONITOR
911 
912 // -----------------------------------------------------------------------------
913 // KMP_SETTINGS
914 
915 static void __kmp_stg_parse_settings(char const *name, char const *value,
916                                      void *data) {
917   __kmp_stg_parse_bool(name, value, &__kmp_settings);
918 } // __kmp_stg_parse_settings
919 
920 static void __kmp_stg_print_settings(kmp_str_buf_t *buffer, char const *name,
921                                      void *data) {
922   __kmp_stg_print_bool(buffer, name, __kmp_settings);
923 } // __kmp_stg_print_settings
924 
925 // -----------------------------------------------------------------------------
926 // KMP_STACKPAD
927 
928 static void __kmp_stg_parse_stackpad(char const *name, char const *value,
929                                      void *data) {
930   __kmp_stg_parse_int(name, // Env var name
931                       value, // Env var value
932                       KMP_MIN_STKPADDING, // Min value
933                       KMP_MAX_STKPADDING, // Max value
934                       &__kmp_stkpadding // Var to initialize
935   );
936 } // __kmp_stg_parse_stackpad
937 
938 static void __kmp_stg_print_stackpad(kmp_str_buf_t *buffer, char const *name,
939                                      void *data) {
940   __kmp_stg_print_int(buffer, name, __kmp_stkpadding);
941 } // __kmp_stg_print_stackpad
942 
943 // -----------------------------------------------------------------------------
944 // KMP_STACKOFFSET
945 
946 static void __kmp_stg_parse_stackoffset(char const *name, char const *value,
947                                         void *data) {
948   __kmp_stg_parse_size(name, // Env var name
949                        value, // Env var value
950                        KMP_MIN_STKOFFSET, // Min value
951                        KMP_MAX_STKOFFSET, // Max value
952                        NULL, //
953                        &__kmp_stkoffset, // Var to initialize
954                        1);
955 } // __kmp_stg_parse_stackoffset
956 
957 static void __kmp_stg_print_stackoffset(kmp_str_buf_t *buffer, char const *name,
958                                         void *data) {
959   __kmp_stg_print_size(buffer, name, __kmp_stkoffset);
960 } // __kmp_stg_print_stackoffset
961 
962 // -----------------------------------------------------------------------------
963 // KMP_STACKSIZE, OMP_STACKSIZE, GOMP_STACKSIZE
964 
965 static void __kmp_stg_parse_stacksize(char const *name, char const *value,
966                                       void *data) {
967 
968   kmp_stg_ss_data_t *stacksize = (kmp_stg_ss_data_t *)data;
969   int rc;
970 
971   rc = __kmp_stg_check_rivals(name, value, stacksize->rivals);
972   if (rc) {
973     return;
974   }
975   __kmp_stg_parse_size(name, // Env var name
976                        value, // Env var value
977                        __kmp_sys_min_stksize, // Min value
978                        KMP_MAX_STKSIZE, // Max value
979                        &__kmp_env_stksize, //
980                        &__kmp_stksize, // Var to initialize
981                        stacksize->factor);
982 
983 } // __kmp_stg_parse_stacksize
984 
985 // This function is called for printing both KMP_STACKSIZE (factor is 1) and
986 // OMP_STACKSIZE (factor is 1024). Currently it is not possible to print
987 // OMP_STACKSIZE value in bytes. We can consider adding this possibility by a
988 // customer request in future.
989 static void __kmp_stg_print_stacksize(kmp_str_buf_t *buffer, char const *name,
990                                       void *data) {
991   kmp_stg_ss_data_t *stacksize = (kmp_stg_ss_data_t *)data;
992   if (__kmp_env_format) {
993     KMP_STR_BUF_PRINT_NAME_EX(name);
994     __kmp_str_buf_print_size(buffer, (__kmp_stksize % 1024)
995                                          ? __kmp_stksize / stacksize->factor
996                                          : __kmp_stksize);
997     __kmp_str_buf_print(buffer, "'\n");
998   } else {
999     __kmp_str_buf_print(buffer, "   %s=", name);
1000     __kmp_str_buf_print_size(buffer, (__kmp_stksize % 1024)
1001                                          ? __kmp_stksize / stacksize->factor
1002                                          : __kmp_stksize);
1003     __kmp_str_buf_print(buffer, "\n");
1004   }
1005 } // __kmp_stg_print_stacksize
1006 
1007 // -----------------------------------------------------------------------------
1008 // KMP_VERSION
1009 
1010 static void __kmp_stg_parse_version(char const *name, char const *value,
1011                                     void *data) {
1012   __kmp_stg_parse_bool(name, value, &__kmp_version);
1013 } // __kmp_stg_parse_version
1014 
1015 static void __kmp_stg_print_version(kmp_str_buf_t *buffer, char const *name,
1016                                     void *data) {
1017   __kmp_stg_print_bool(buffer, name, __kmp_version);
1018 } // __kmp_stg_print_version
1019 
1020 // -----------------------------------------------------------------------------
1021 // KMP_WARNINGS
1022 
1023 static void __kmp_stg_parse_warnings(char const *name, char const *value,
1024                                      void *data) {
1025   __kmp_stg_parse_bool(name, value, &__kmp_generate_warnings);
1026   if (__kmp_generate_warnings != kmp_warnings_off) {
1027     // AC: only 0/1 values documented, so reset to explicit to distinguish from
1028     // default setting
1029     __kmp_generate_warnings = kmp_warnings_explicit;
1030   }
1031 } // __kmp_stg_parse_warnings
1032 
1033 static void __kmp_stg_print_warnings(kmp_str_buf_t *buffer, char const *name,
1034                                      void *data) {
1035   // AC: TODO: change to print_int? (needs documentation change)
1036   __kmp_stg_print_bool(buffer, name, __kmp_generate_warnings);
1037 } // __kmp_stg_print_warnings
1038 
1039 // -----------------------------------------------------------------------------
1040 // KMP_NESTING_MODE
1041 
1042 static void __kmp_stg_parse_nesting_mode(char const *name, char const *value,
1043                                          void *data) {
1044   __kmp_stg_parse_int(name, value, 0, INT_MAX, &__kmp_nesting_mode);
1045 #if KMP_AFFINITY_SUPPORTED && KMP_USE_HWLOC
1046   if (__kmp_nesting_mode > 0)
1047     __kmp_affinity_top_method = affinity_top_method_hwloc;
1048 #endif
1049 } // __kmp_stg_parse_nesting_mode
1050 
1051 static void __kmp_stg_print_nesting_mode(kmp_str_buf_t *buffer,
1052                                          char const *name, void *data) {
1053   if (__kmp_env_format) {
1054     KMP_STR_BUF_PRINT_NAME;
1055   } else {
1056     __kmp_str_buf_print(buffer, "   %s", name);
1057   }
1058   __kmp_str_buf_print(buffer, "=%d\n", __kmp_nesting_mode);
1059 } // __kmp_stg_print_nesting_mode
1060 
1061 // -----------------------------------------------------------------------------
1062 // OMP_NESTED, OMP_NUM_THREADS
1063 
1064 static void __kmp_stg_parse_nested(char const *name, char const *value,
1065                                    void *data) {
1066   int nested;
1067   KMP_INFORM(EnvVarDeprecated, name, "OMP_MAX_ACTIVE_LEVELS");
1068   __kmp_stg_parse_bool(name, value, &nested);
1069   if (nested) {
1070     if (!__kmp_dflt_max_active_levels_set)
1071       __kmp_dflt_max_active_levels = KMP_MAX_ACTIVE_LEVELS_LIMIT;
1072   } else { // nesting explicitly turned off
1073     __kmp_dflt_max_active_levels = 1;
1074     __kmp_dflt_max_active_levels_set = true;
1075   }
1076 } // __kmp_stg_parse_nested
1077 
1078 static void __kmp_stg_print_nested(kmp_str_buf_t *buffer, char const *name,
1079                                    void *data) {
1080   if (__kmp_env_format) {
1081     KMP_STR_BUF_PRINT_NAME;
1082   } else {
1083     __kmp_str_buf_print(buffer, "   %s", name);
1084   }
1085   __kmp_str_buf_print(buffer, ": deprecated; max-active-levels-var=%d\n",
1086                       __kmp_dflt_max_active_levels);
1087 } // __kmp_stg_print_nested
1088 
1089 static void __kmp_parse_nested_num_threads(const char *var, const char *env,
1090                                            kmp_nested_nthreads_t *nth_array) {
1091   const char *next = env;
1092   const char *scan = next;
1093 
1094   int total = 0; // Count elements that were set. It'll be used as an array size
1095   int prev_comma = FALSE; // For correct processing sequential commas
1096 
1097   // Count the number of values in the env. var string
1098   for (;;) {
1099     SKIP_WS(next);
1100 
1101     if (*next == '\0') {
1102       break;
1103     }
1104     // Next character is not an integer or not a comma => end of list
1105     if (((*next < '0') || (*next > '9')) && (*next != ',')) {
1106       KMP_WARNING(NthSyntaxError, var, env);
1107       return;
1108     }
1109     // The next character is ','
1110     if (*next == ',') {
1111       // ',' is the first character
1112       if (total == 0 || prev_comma) {
1113         total++;
1114       }
1115       prev_comma = TRUE;
1116       next++; // skip ','
1117       SKIP_WS(next);
1118     }
1119     // Next character is a digit
1120     if (*next >= '0' && *next <= '9') {
1121       prev_comma = FALSE;
1122       SKIP_DIGITS(next);
1123       total++;
1124       const char *tmp = next;
1125       SKIP_WS(tmp);
1126       if ((*next == ' ' || *next == '\t') && (*tmp >= '0' && *tmp <= '9')) {
1127         KMP_WARNING(NthSpacesNotAllowed, var, env);
1128         return;
1129       }
1130     }
1131   }
1132   if (!__kmp_dflt_max_active_levels_set && total > 1)
1133     __kmp_dflt_max_active_levels = KMP_MAX_ACTIVE_LEVELS_LIMIT;
1134   KMP_DEBUG_ASSERT(total > 0);
1135   if (total <= 0) {
1136     KMP_WARNING(NthSyntaxError, var, env);
1137     return;
1138   }
1139 
1140   // Check if the nested nthreads array exists
1141   if (!nth_array->nth) {
1142     // Allocate an array of double size
1143     nth_array->nth = (int *)KMP_INTERNAL_MALLOC(sizeof(int) * total * 2);
1144     if (nth_array->nth == NULL) {
1145       KMP_FATAL(MemoryAllocFailed);
1146     }
1147     nth_array->size = total * 2;
1148   } else {
1149     if (nth_array->size < total) {
1150       // Increase the array size
1151       do {
1152         nth_array->size *= 2;
1153       } while (nth_array->size < total);
1154 
1155       nth_array->nth = (int *)KMP_INTERNAL_REALLOC(
1156           nth_array->nth, sizeof(int) * nth_array->size);
1157       if (nth_array->nth == NULL) {
1158         KMP_FATAL(MemoryAllocFailed);
1159       }
1160     }
1161   }
1162   nth_array->used = total;
1163   int i = 0;
1164 
1165   prev_comma = FALSE;
1166   total = 0;
1167   // Save values in the array
1168   for (;;) {
1169     SKIP_WS(scan);
1170     if (*scan == '\0') {
1171       break;
1172     }
1173     // The next character is ','
1174     if (*scan == ',') {
1175       // ',' in the beginning of the list
1176       if (total == 0) {
1177         // The value is supposed to be equal to __kmp_avail_proc but it is
1178         // unknown at the moment.
1179         // So let's put a placeholder (#threads = 0) to correct it later.
1180         nth_array->nth[i++] = 0;
1181         total++;
1182       } else if (prev_comma) {
1183         // Num threads is inherited from the previous level
1184         nth_array->nth[i] = nth_array->nth[i - 1];
1185         i++;
1186         total++;
1187       }
1188       prev_comma = TRUE;
1189       scan++; // skip ','
1190       SKIP_WS(scan);
1191     }
1192     // Next character is a digit
1193     if (*scan >= '0' && *scan <= '9') {
1194       int num;
1195       const char *buf = scan;
1196       char const *msg = NULL;
1197       prev_comma = FALSE;
1198       SKIP_DIGITS(scan);
1199       total++;
1200 
1201       num = __kmp_str_to_int(buf, *scan);
1202       if (num < KMP_MIN_NTH) {
1203         msg = KMP_I18N_STR(ValueTooSmall);
1204         num = KMP_MIN_NTH;
1205       } else if (num > __kmp_sys_max_nth) {
1206         msg = KMP_I18N_STR(ValueTooLarge);
1207         num = __kmp_sys_max_nth;
1208       }
1209       if (msg != NULL) {
1210         // Message is not empty. Print warning.
1211         KMP_WARNING(ParseSizeIntWarn, var, env, msg);
1212         KMP_INFORM(Using_int_Value, var, num);
1213       }
1214       nth_array->nth[i++] = num;
1215     }
1216   }
1217 }
1218 
1219 static void __kmp_stg_parse_num_threads(char const *name, char const *value,
1220                                         void *data) {
1221   // TODO: Remove this option. OMP_NUM_THREADS is a list of positive integers!
1222   if (!__kmp_strcasecmp_with_sentinel("all", value, 0)) {
1223     // The array of 1 element
1224     __kmp_nested_nth.nth = (int *)KMP_INTERNAL_MALLOC(sizeof(int));
1225     __kmp_nested_nth.size = __kmp_nested_nth.used = 1;
1226     __kmp_nested_nth.nth[0] = __kmp_dflt_team_nth = __kmp_dflt_team_nth_ub =
1227         __kmp_xproc;
1228   } else {
1229     __kmp_parse_nested_num_threads(name, value, &__kmp_nested_nth);
1230     if (__kmp_nested_nth.nth) {
1231       __kmp_dflt_team_nth = __kmp_nested_nth.nth[0];
1232       if (__kmp_dflt_team_nth_ub < __kmp_dflt_team_nth) {
1233         __kmp_dflt_team_nth_ub = __kmp_dflt_team_nth;
1234       }
1235     }
1236   }
1237   K_DIAG(1, ("__kmp_dflt_team_nth == %d\n", __kmp_dflt_team_nth));
1238 } // __kmp_stg_parse_num_threads
1239 
1240 static void __kmp_stg_parse_num_hidden_helper_threads(char const *name,
1241                                                       char const *value,
1242                                                       void *data) {
1243   __kmp_stg_parse_int(name, value, 0, 16, &__kmp_hidden_helper_threads_num);
1244   // If the number of hidden helper threads is zero, we disable hidden helper
1245   // task
1246   if (__kmp_hidden_helper_threads_num == 0) {
1247     __kmp_enable_hidden_helper = FALSE;
1248   }
1249 } // __kmp_stg_parse_num_hidden_helper_threads
1250 
1251 static void __kmp_stg_print_num_hidden_helper_threads(kmp_str_buf_t *buffer,
1252                                                       char const *name,
1253                                                       void *data) {
1254   __kmp_stg_print_int(buffer, name, __kmp_hidden_helper_threads_num);
1255 } // __kmp_stg_print_num_hidden_helper_threads
1256 
1257 static void __kmp_stg_parse_use_hidden_helper(char const *name,
1258                                               char const *value, void *data) {
1259   __kmp_stg_parse_bool(name, value, &__kmp_enable_hidden_helper);
1260 #if !KMP_OS_LINUX
1261   __kmp_enable_hidden_helper = FALSE;
1262   K_DIAG(1,
1263          ("__kmp_stg_parse_use_hidden_helper: Disable hidden helper task on "
1264           "non-Linux platform although it is enabled by user explicitly.\n"));
1265 #endif
1266 } // __kmp_stg_parse_use_hidden_helper
1267 
1268 static void __kmp_stg_print_use_hidden_helper(kmp_str_buf_t *buffer,
1269                                               char const *name, void *data) {
1270   __kmp_stg_print_bool(buffer, name, __kmp_enable_hidden_helper);
1271 } // __kmp_stg_print_use_hidden_helper
1272 
1273 static void __kmp_stg_print_num_threads(kmp_str_buf_t *buffer, char const *name,
1274                                         void *data) {
1275   if (__kmp_env_format) {
1276     KMP_STR_BUF_PRINT_NAME;
1277   } else {
1278     __kmp_str_buf_print(buffer, "   %s", name);
1279   }
1280   if (__kmp_nested_nth.used) {
1281     kmp_str_buf_t buf;
1282     __kmp_str_buf_init(&buf);
1283     for (int i = 0; i < __kmp_nested_nth.used; i++) {
1284       __kmp_str_buf_print(&buf, "%d", __kmp_nested_nth.nth[i]);
1285       if (i < __kmp_nested_nth.used - 1) {
1286         __kmp_str_buf_print(&buf, ",");
1287       }
1288     }
1289     __kmp_str_buf_print(buffer, "='%s'\n", buf.str);
1290     __kmp_str_buf_free(&buf);
1291   } else {
1292     __kmp_str_buf_print(buffer, ": %s\n", KMP_I18N_STR(NotDefined));
1293   }
1294 } // __kmp_stg_print_num_threads
1295 
1296 // -----------------------------------------------------------------------------
1297 // OpenMP 3.0: KMP_TASKING, OMP_MAX_ACTIVE_LEVELS,
1298 
1299 static void __kmp_stg_parse_tasking(char const *name, char const *value,
1300                                     void *data) {
1301   __kmp_stg_parse_int(name, value, 0, (int)tskm_max,
1302                       (int *)&__kmp_tasking_mode);
1303 } // __kmp_stg_parse_tasking
1304 
1305 static void __kmp_stg_print_tasking(kmp_str_buf_t *buffer, char const *name,
1306                                     void *data) {
1307   __kmp_stg_print_int(buffer, name, __kmp_tasking_mode);
1308 } // __kmp_stg_print_tasking
1309 
1310 static void __kmp_stg_parse_task_stealing(char const *name, char const *value,
1311                                           void *data) {
1312   __kmp_stg_parse_int(name, value, 0, 1,
1313                       (int *)&__kmp_task_stealing_constraint);
1314 } // __kmp_stg_parse_task_stealing
1315 
1316 static void __kmp_stg_print_task_stealing(kmp_str_buf_t *buffer,
1317                                           char const *name, void *data) {
1318   __kmp_stg_print_int(buffer, name, __kmp_task_stealing_constraint);
1319 } // __kmp_stg_print_task_stealing
1320 
1321 static void __kmp_stg_parse_max_active_levels(char const *name,
1322                                               char const *value, void *data) {
1323   kmp_uint64 tmp_dflt = 0;
1324   char const *msg = NULL;
1325   if (!__kmp_dflt_max_active_levels_set) {
1326     // Don't overwrite __kmp_dflt_max_active_levels if we get an invalid setting
1327     __kmp_str_to_uint(value, &tmp_dflt, &msg);
1328     if (msg != NULL) { // invalid setting; print warning and ignore
1329       KMP_WARNING(ParseSizeIntWarn, name, value, msg);
1330     } else if (tmp_dflt > KMP_MAX_ACTIVE_LEVELS_LIMIT) {
1331       // invalid setting; print warning and ignore
1332       msg = KMP_I18N_STR(ValueTooLarge);
1333       KMP_WARNING(ParseSizeIntWarn, name, value, msg);
1334     } else { // valid setting
1335       __kmp_type_convert(tmp_dflt, &(__kmp_dflt_max_active_levels));
1336       __kmp_dflt_max_active_levels_set = true;
1337     }
1338   }
1339 } // __kmp_stg_parse_max_active_levels
1340 
1341 static void __kmp_stg_print_max_active_levels(kmp_str_buf_t *buffer,
1342                                               char const *name, void *data) {
1343   __kmp_stg_print_int(buffer, name, __kmp_dflt_max_active_levels);
1344 } // __kmp_stg_print_max_active_levels
1345 
1346 // -----------------------------------------------------------------------------
1347 // OpenMP 4.0: OMP_DEFAULT_DEVICE
1348 static void __kmp_stg_parse_default_device(char const *name, char const *value,
1349                                            void *data) {
1350   __kmp_stg_parse_int(name, value, 0, KMP_MAX_DEFAULT_DEVICE_LIMIT,
1351                       &__kmp_default_device);
1352 } // __kmp_stg_parse_default_device
1353 
1354 static void __kmp_stg_print_default_device(kmp_str_buf_t *buffer,
1355                                            char const *name, void *data) {
1356   __kmp_stg_print_int(buffer, name, __kmp_default_device);
1357 } // __kmp_stg_print_default_device
1358 
1359 // -----------------------------------------------------------------------------
1360 // OpenMP 5.0: OMP_TARGET_OFFLOAD
1361 static void __kmp_stg_parse_target_offload(char const *name, char const *value,
1362                                            void *data) {
1363   const char *next = value;
1364   const char *scan = next;
1365 
1366   __kmp_target_offload = tgt_default;
1367   SKIP_WS(next);
1368   if (*next == '\0')
1369     return;
1370   scan = next;
1371   if (!__kmp_strcasecmp_with_sentinel("mandatory", scan, 0)) {
1372     __kmp_target_offload = tgt_mandatory;
1373   } else if (!__kmp_strcasecmp_with_sentinel("disabled", scan, 0)) {
1374     __kmp_target_offload = tgt_disabled;
1375   } else if (!__kmp_strcasecmp_with_sentinel("default", scan, 0)) {
1376     __kmp_target_offload = tgt_default;
1377   } else {
1378     KMP_WARNING(SyntaxErrorUsing, name, "DEFAULT");
1379   }
1380 
1381 } // __kmp_stg_parse_target_offload
1382 
1383 static void __kmp_stg_print_target_offload(kmp_str_buf_t *buffer,
1384                                            char const *name, void *data) {
1385   const char *value = NULL;
1386   if (__kmp_target_offload == tgt_default)
1387     value = "DEFAULT";
1388   else if (__kmp_target_offload == tgt_mandatory)
1389     value = "MANDATORY";
1390   else if (__kmp_target_offload == tgt_disabled)
1391     value = "DISABLED";
1392   KMP_DEBUG_ASSERT(value);
1393   if (__kmp_env_format) {
1394     KMP_STR_BUF_PRINT_NAME;
1395   } else {
1396     __kmp_str_buf_print(buffer, "   %s", name);
1397   }
1398   __kmp_str_buf_print(buffer, "=%s\n", value);
1399 } // __kmp_stg_print_target_offload
1400 
1401 // -----------------------------------------------------------------------------
1402 // OpenMP 4.5: OMP_MAX_TASK_PRIORITY
1403 static void __kmp_stg_parse_max_task_priority(char const *name,
1404                                               char const *value, void *data) {
1405   __kmp_stg_parse_int(name, value, 0, KMP_MAX_TASK_PRIORITY_LIMIT,
1406                       &__kmp_max_task_priority);
1407 } // __kmp_stg_parse_max_task_priority
1408 
1409 static void __kmp_stg_print_max_task_priority(kmp_str_buf_t *buffer,
1410                                               char const *name, void *data) {
1411   __kmp_stg_print_int(buffer, name, __kmp_max_task_priority);
1412 } // __kmp_stg_print_max_task_priority
1413 
1414 // KMP_TASKLOOP_MIN_TASKS
1415 // taskloop threshold to switch from recursive to linear tasks creation
1416 static void __kmp_stg_parse_taskloop_min_tasks(char const *name,
1417                                                char const *value, void *data) {
1418   int tmp;
1419   __kmp_stg_parse_int(name, value, 0, INT_MAX, &tmp);
1420   __kmp_taskloop_min_tasks = tmp;
1421 } // __kmp_stg_parse_taskloop_min_tasks
1422 
1423 static void __kmp_stg_print_taskloop_min_tasks(kmp_str_buf_t *buffer,
1424                                                char const *name, void *data) {
1425   __kmp_stg_print_uint64(buffer, name, __kmp_taskloop_min_tasks);
1426 } // __kmp_stg_print_taskloop_min_tasks
1427 
1428 // -----------------------------------------------------------------------------
1429 // KMP_DISP_NUM_BUFFERS
1430 static void __kmp_stg_parse_disp_buffers(char const *name, char const *value,
1431                                          void *data) {
1432   if (TCR_4(__kmp_init_serial)) {
1433     KMP_WARNING(EnvSerialWarn, name);
1434     return;
1435   } // read value before serial initialization only
1436   __kmp_stg_parse_int(name, value, KMP_MIN_DISP_NUM_BUFF, KMP_MAX_DISP_NUM_BUFF,
1437                       &__kmp_dispatch_num_buffers);
1438 } // __kmp_stg_parse_disp_buffers
1439 
1440 static void __kmp_stg_print_disp_buffers(kmp_str_buf_t *buffer,
1441                                          char const *name, void *data) {
1442   __kmp_stg_print_int(buffer, name, __kmp_dispatch_num_buffers);
1443 } // __kmp_stg_print_disp_buffers
1444 
1445 #if KMP_NESTED_HOT_TEAMS
1446 // -----------------------------------------------------------------------------
1447 // KMP_HOT_TEAMS_MAX_LEVEL, KMP_HOT_TEAMS_MODE
1448 
1449 static void __kmp_stg_parse_hot_teams_level(char const *name, char const *value,
1450                                             void *data) {
1451   if (TCR_4(__kmp_init_parallel)) {
1452     KMP_WARNING(EnvParallelWarn, name);
1453     return;
1454   } // read value before first parallel only
1455   __kmp_stg_parse_int(name, value, 0, KMP_MAX_ACTIVE_LEVELS_LIMIT,
1456                       &__kmp_hot_teams_max_level);
1457 } // __kmp_stg_parse_hot_teams_level
1458 
1459 static void __kmp_stg_print_hot_teams_level(kmp_str_buf_t *buffer,
1460                                             char const *name, void *data) {
1461   __kmp_stg_print_int(buffer, name, __kmp_hot_teams_max_level);
1462 } // __kmp_stg_print_hot_teams_level
1463 
1464 static void __kmp_stg_parse_hot_teams_mode(char const *name, char const *value,
1465                                            void *data) {
1466   if (TCR_4(__kmp_init_parallel)) {
1467     KMP_WARNING(EnvParallelWarn, name);
1468     return;
1469   } // read value before first parallel only
1470   __kmp_stg_parse_int(name, value, 0, KMP_MAX_ACTIVE_LEVELS_LIMIT,
1471                       &__kmp_hot_teams_mode);
1472 } // __kmp_stg_parse_hot_teams_mode
1473 
1474 static void __kmp_stg_print_hot_teams_mode(kmp_str_buf_t *buffer,
1475                                            char const *name, void *data) {
1476   __kmp_stg_print_int(buffer, name, __kmp_hot_teams_mode);
1477 } // __kmp_stg_print_hot_teams_mode
1478 
1479 #endif // KMP_NESTED_HOT_TEAMS
1480 
1481 // -----------------------------------------------------------------------------
1482 // KMP_HANDLE_SIGNALS
1483 
1484 #if KMP_HANDLE_SIGNALS
1485 
1486 static void __kmp_stg_parse_handle_signals(char const *name, char const *value,
1487                                            void *data) {
1488   __kmp_stg_parse_bool(name, value, &__kmp_handle_signals);
1489 } // __kmp_stg_parse_handle_signals
1490 
1491 static void __kmp_stg_print_handle_signals(kmp_str_buf_t *buffer,
1492                                            char const *name, void *data) {
1493   __kmp_stg_print_bool(buffer, name, __kmp_handle_signals);
1494 } // __kmp_stg_print_handle_signals
1495 
1496 #endif // KMP_HANDLE_SIGNALS
1497 
1498 // -----------------------------------------------------------------------------
1499 // KMP_X_DEBUG, KMP_DEBUG, KMP_DEBUG_BUF_*, KMP_DIAG
1500 
1501 #ifdef KMP_DEBUG
1502 
1503 #define KMP_STG_X_DEBUG(x)                                                     \
1504   static void __kmp_stg_parse_##x##_debug(char const *name, char const *value, \
1505                                           void *data) {                        \
1506     __kmp_stg_parse_int(name, value, 0, INT_MAX, &kmp_##x##_debug);            \
1507   } /* __kmp_stg_parse_x_debug */                                              \
1508   static void __kmp_stg_print_##x##_debug(kmp_str_buf_t *buffer,               \
1509                                           char const *name, void *data) {      \
1510     __kmp_stg_print_int(buffer, name, kmp_##x##_debug);                        \
1511   } /* __kmp_stg_print_x_debug */
1512 
1513 KMP_STG_X_DEBUG(a)
1514 KMP_STG_X_DEBUG(b)
1515 KMP_STG_X_DEBUG(c)
1516 KMP_STG_X_DEBUG(d)
1517 KMP_STG_X_DEBUG(e)
1518 KMP_STG_X_DEBUG(f)
1519 
1520 #undef KMP_STG_X_DEBUG
1521 
1522 static void __kmp_stg_parse_debug(char const *name, char const *value,
1523                                   void *data) {
1524   int debug = 0;
1525   __kmp_stg_parse_int(name, value, 0, INT_MAX, &debug);
1526   if (kmp_a_debug < debug) {
1527     kmp_a_debug = debug;
1528   }
1529   if (kmp_b_debug < debug) {
1530     kmp_b_debug = debug;
1531   }
1532   if (kmp_c_debug < debug) {
1533     kmp_c_debug = debug;
1534   }
1535   if (kmp_d_debug < debug) {
1536     kmp_d_debug = debug;
1537   }
1538   if (kmp_e_debug < debug) {
1539     kmp_e_debug = debug;
1540   }
1541   if (kmp_f_debug < debug) {
1542     kmp_f_debug = debug;
1543   }
1544 } // __kmp_stg_parse_debug
1545 
1546 static void __kmp_stg_parse_debug_buf(char const *name, char const *value,
1547                                       void *data) {
1548   __kmp_stg_parse_bool(name, value, &__kmp_debug_buf);
1549   // !!! TODO: Move buffer initialization of of this file! It may works
1550   // incorrectly if KMP_DEBUG_BUF is parsed before KMP_DEBUG_BUF_LINES or
1551   // KMP_DEBUG_BUF_CHARS.
1552   if (__kmp_debug_buf) {
1553     int i;
1554     int elements = __kmp_debug_buf_lines * __kmp_debug_buf_chars;
1555 
1556     /* allocate and initialize all entries in debug buffer to empty */
1557     __kmp_debug_buffer = (char *)__kmp_page_allocate(elements * sizeof(char));
1558     for (i = 0; i < elements; i += __kmp_debug_buf_chars)
1559       __kmp_debug_buffer[i] = '\0';
1560 
1561     __kmp_debug_count = 0;
1562   }
1563   K_DIAG(1, ("__kmp_debug_buf = %d\n", __kmp_debug_buf));
1564 } // __kmp_stg_parse_debug_buf
1565 
1566 static void __kmp_stg_print_debug_buf(kmp_str_buf_t *buffer, char const *name,
1567                                       void *data) {
1568   __kmp_stg_print_bool(buffer, name, __kmp_debug_buf);
1569 } // __kmp_stg_print_debug_buf
1570 
1571 static void __kmp_stg_parse_debug_buf_atomic(char const *name,
1572                                              char const *value, void *data) {
1573   __kmp_stg_parse_bool(name, value, &__kmp_debug_buf_atomic);
1574 } // __kmp_stg_parse_debug_buf_atomic
1575 
1576 static void __kmp_stg_print_debug_buf_atomic(kmp_str_buf_t *buffer,
1577                                              char const *name, void *data) {
1578   __kmp_stg_print_bool(buffer, name, __kmp_debug_buf_atomic);
1579 } // __kmp_stg_print_debug_buf_atomic
1580 
1581 static void __kmp_stg_parse_debug_buf_chars(char const *name, char const *value,
1582                                             void *data) {
1583   __kmp_stg_parse_int(name, value, KMP_DEBUG_BUF_CHARS_MIN, INT_MAX,
1584                       &__kmp_debug_buf_chars);
1585 } // __kmp_stg_debug_parse_buf_chars
1586 
1587 static void __kmp_stg_print_debug_buf_chars(kmp_str_buf_t *buffer,
1588                                             char const *name, void *data) {
1589   __kmp_stg_print_int(buffer, name, __kmp_debug_buf_chars);
1590 } // __kmp_stg_print_debug_buf_chars
1591 
1592 static void __kmp_stg_parse_debug_buf_lines(char const *name, char const *value,
1593                                             void *data) {
1594   __kmp_stg_parse_int(name, value, KMP_DEBUG_BUF_LINES_MIN, INT_MAX,
1595                       &__kmp_debug_buf_lines);
1596 } // __kmp_stg_parse_debug_buf_lines
1597 
1598 static void __kmp_stg_print_debug_buf_lines(kmp_str_buf_t *buffer,
1599                                             char const *name, void *data) {
1600   __kmp_stg_print_int(buffer, name, __kmp_debug_buf_lines);
1601 } // __kmp_stg_print_debug_buf_lines
1602 
1603 static void __kmp_stg_parse_diag(char const *name, char const *value,
1604                                  void *data) {
1605   __kmp_stg_parse_int(name, value, 0, INT_MAX, &kmp_diag);
1606 } // __kmp_stg_parse_diag
1607 
1608 static void __kmp_stg_print_diag(kmp_str_buf_t *buffer, char const *name,
1609                                  void *data) {
1610   __kmp_stg_print_int(buffer, name, kmp_diag);
1611 } // __kmp_stg_print_diag
1612 
1613 #endif // KMP_DEBUG
1614 
1615 // -----------------------------------------------------------------------------
1616 // KMP_ALIGN_ALLOC
1617 
1618 static void __kmp_stg_parse_align_alloc(char const *name, char const *value,
1619                                         void *data) {
1620   __kmp_stg_parse_size(name, value, CACHE_LINE, INT_MAX, NULL,
1621                        &__kmp_align_alloc, 1);
1622 } // __kmp_stg_parse_align_alloc
1623 
1624 static void __kmp_stg_print_align_alloc(kmp_str_buf_t *buffer, char const *name,
1625                                         void *data) {
1626   __kmp_stg_print_size(buffer, name, __kmp_align_alloc);
1627 } // __kmp_stg_print_align_alloc
1628 
1629 // -----------------------------------------------------------------------------
1630 // KMP_PLAIN_BARRIER, KMP_FORKJOIN_BARRIER, KMP_REDUCTION_BARRIER
1631 
1632 // TODO: Remove __kmp_barrier_branch_bit_env_name varibale, remove loops from
1633 // parse and print functions, pass required info through data argument.
1634 
1635 static void __kmp_stg_parse_barrier_branch_bit(char const *name,
1636                                                char const *value, void *data) {
1637   const char *var;
1638 
1639   /* ---------- Barrier branch bit control ------------ */
1640   for (int i = bs_plain_barrier; i < bs_last_barrier; i++) {
1641     var = __kmp_barrier_branch_bit_env_name[i];
1642     if ((strcmp(var, name) == 0) && (value != 0)) {
1643       char *comma;
1644 
1645       comma = CCAST(char *, strchr(value, ','));
1646       __kmp_barrier_gather_branch_bits[i] =
1647           (kmp_uint32)__kmp_str_to_int(value, ',');
1648       /* is there a specified release parameter? */
1649       if (comma == NULL) {
1650         __kmp_barrier_release_branch_bits[i] = __kmp_barrier_release_bb_dflt;
1651       } else {
1652         __kmp_barrier_release_branch_bits[i] =
1653             (kmp_uint32)__kmp_str_to_int(comma + 1, 0);
1654 
1655         if (__kmp_barrier_release_branch_bits[i] > KMP_MAX_BRANCH_BITS) {
1656           __kmp_msg(kmp_ms_warning,
1657                     KMP_MSG(BarrReleaseValueInvalid, name, comma + 1),
1658                     __kmp_msg_null);
1659           __kmp_barrier_release_branch_bits[i] = __kmp_barrier_release_bb_dflt;
1660         }
1661       }
1662       if (__kmp_barrier_gather_branch_bits[i] > KMP_MAX_BRANCH_BITS) {
1663         KMP_WARNING(BarrGatherValueInvalid, name, value);
1664         KMP_INFORM(Using_uint_Value, name, __kmp_barrier_gather_bb_dflt);
1665         __kmp_barrier_gather_branch_bits[i] = __kmp_barrier_gather_bb_dflt;
1666       }
1667     }
1668     K_DIAG(1, ("%s == %d,%d\n", __kmp_barrier_branch_bit_env_name[i],
1669                __kmp_barrier_gather_branch_bits[i],
1670                __kmp_barrier_release_branch_bits[i]))
1671   }
1672 } // __kmp_stg_parse_barrier_branch_bit
1673 
1674 static void __kmp_stg_print_barrier_branch_bit(kmp_str_buf_t *buffer,
1675                                                char const *name, void *data) {
1676   const char *var;
1677   for (int i = bs_plain_barrier; i < bs_last_barrier; i++) {
1678     var = __kmp_barrier_branch_bit_env_name[i];
1679     if (strcmp(var, name) == 0) {
1680       if (__kmp_env_format) {
1681         KMP_STR_BUF_PRINT_NAME_EX(__kmp_barrier_branch_bit_env_name[i]);
1682       } else {
1683         __kmp_str_buf_print(buffer, "   %s='",
1684                             __kmp_barrier_branch_bit_env_name[i]);
1685       }
1686       __kmp_str_buf_print(buffer, "%d,%d'\n",
1687                           __kmp_barrier_gather_branch_bits[i],
1688                           __kmp_barrier_release_branch_bits[i]);
1689     }
1690   }
1691 } // __kmp_stg_print_barrier_branch_bit
1692 
1693 // ----------------------------------------------------------------------------
1694 // KMP_PLAIN_BARRIER_PATTERN, KMP_FORKJOIN_BARRIER_PATTERN,
1695 // KMP_REDUCTION_BARRIER_PATTERN
1696 
1697 // TODO: Remove __kmp_barrier_pattern_name variable, remove loops from parse and
1698 // print functions, pass required data to functions through data argument.
1699 
1700 static void __kmp_stg_parse_barrier_pattern(char const *name, char const *value,
1701                                             void *data) {
1702   const char *var;
1703   /* ---------- Barrier method control ------------ */
1704 
1705   static int dist_req = 0, non_dist_req = 0;
1706   static bool warn = 1;
1707   for (int i = bs_plain_barrier; i < bs_last_barrier; i++) {
1708     var = __kmp_barrier_pattern_env_name[i];
1709 
1710     if ((strcmp(var, name) == 0) && (value != 0)) {
1711       int j;
1712       char *comma = CCAST(char *, strchr(value, ','));
1713 
1714       /* handle first parameter: gather pattern */
1715       for (j = bp_linear_bar; j < bp_last_bar; j++) {
1716         if (__kmp_match_with_sentinel(__kmp_barrier_pattern_name[j], value, 1,
1717                                       ',')) {
1718           if (j == bp_dist_bar) {
1719             dist_req++;
1720           } else {
1721             non_dist_req++;
1722           }
1723           __kmp_barrier_gather_pattern[i] = (kmp_bar_pat_e)j;
1724           break;
1725         }
1726       }
1727       if (j == bp_last_bar) {
1728         KMP_WARNING(BarrGatherValueInvalid, name, value);
1729         KMP_INFORM(Using_str_Value, name,
1730                    __kmp_barrier_pattern_name[bp_linear_bar]);
1731       }
1732 
1733       /* handle second parameter: release pattern */
1734       if (comma != NULL) {
1735         for (j = bp_linear_bar; j < bp_last_bar; j++) {
1736           if (__kmp_str_match(__kmp_barrier_pattern_name[j], 1, comma + 1)) {
1737             if (j == bp_dist_bar) {
1738               dist_req++;
1739             } else {
1740               non_dist_req++;
1741             }
1742             __kmp_barrier_release_pattern[i] = (kmp_bar_pat_e)j;
1743             break;
1744           }
1745         }
1746         if (j == bp_last_bar) {
1747           __kmp_msg(kmp_ms_warning,
1748                     KMP_MSG(BarrReleaseValueInvalid, name, comma + 1),
1749                     __kmp_msg_null);
1750           KMP_INFORM(Using_str_Value, name,
1751                      __kmp_barrier_pattern_name[bp_linear_bar]);
1752         }
1753       }
1754     }
1755   }
1756   if (dist_req != 0) {
1757     // set all barriers to dist
1758     if ((non_dist_req != 0) && warn) {
1759       KMP_INFORM(BarrierPatternOverride, name,
1760                  __kmp_barrier_pattern_name[bp_dist_bar]);
1761       warn = 0;
1762     }
1763     for (int i = bs_plain_barrier; i < bs_last_barrier; i++) {
1764       if (__kmp_barrier_release_pattern[i] != bp_dist_bar)
1765         __kmp_barrier_release_pattern[i] = bp_dist_bar;
1766       if (__kmp_barrier_gather_pattern[i] != bp_dist_bar)
1767         __kmp_barrier_gather_pattern[i] = bp_dist_bar;
1768     }
1769   }
1770 } // __kmp_stg_parse_barrier_pattern
1771 
1772 static void __kmp_stg_print_barrier_pattern(kmp_str_buf_t *buffer,
1773                                             char const *name, void *data) {
1774   const char *var;
1775   for (int i = bs_plain_barrier; i < bs_last_barrier; i++) {
1776     var = __kmp_barrier_pattern_env_name[i];
1777     if (strcmp(var, name) == 0) {
1778       int j = __kmp_barrier_gather_pattern[i];
1779       int k = __kmp_barrier_release_pattern[i];
1780       if (__kmp_env_format) {
1781         KMP_STR_BUF_PRINT_NAME_EX(__kmp_barrier_pattern_env_name[i]);
1782       } else {
1783         __kmp_str_buf_print(buffer, "   %s='",
1784                             __kmp_barrier_pattern_env_name[i]);
1785       }
1786       KMP_DEBUG_ASSERT(j < bp_last_bar && k < bp_last_bar);
1787       __kmp_str_buf_print(buffer, "%s,%s'\n", __kmp_barrier_pattern_name[j],
1788                           __kmp_barrier_pattern_name[k]);
1789     }
1790   }
1791 } // __kmp_stg_print_barrier_pattern
1792 
1793 // -----------------------------------------------------------------------------
1794 // KMP_ABORT_DELAY
1795 
1796 static void __kmp_stg_parse_abort_delay(char const *name, char const *value,
1797                                         void *data) {
1798   // Units of KMP_DELAY_ABORT are seconds, units of __kmp_abort_delay is
1799   // milliseconds.
1800   int delay = __kmp_abort_delay / 1000;
1801   __kmp_stg_parse_int(name, value, 0, INT_MAX / 1000, &delay);
1802   __kmp_abort_delay = delay * 1000;
1803 } // __kmp_stg_parse_abort_delay
1804 
1805 static void __kmp_stg_print_abort_delay(kmp_str_buf_t *buffer, char const *name,
1806                                         void *data) {
1807   __kmp_stg_print_int(buffer, name, __kmp_abort_delay);
1808 } // __kmp_stg_print_abort_delay
1809 
1810 // -----------------------------------------------------------------------------
1811 // KMP_CPUINFO_FILE
1812 
1813 static void __kmp_stg_parse_cpuinfo_file(char const *name, char const *value,
1814                                          void *data) {
1815 #if KMP_AFFINITY_SUPPORTED
1816   __kmp_stg_parse_str(name, value, &__kmp_cpuinfo_file);
1817   K_DIAG(1, ("__kmp_cpuinfo_file == %s\n", __kmp_cpuinfo_file));
1818 #endif
1819 } //__kmp_stg_parse_cpuinfo_file
1820 
1821 static void __kmp_stg_print_cpuinfo_file(kmp_str_buf_t *buffer,
1822                                          char const *name, void *data) {
1823 #if KMP_AFFINITY_SUPPORTED
1824   if (__kmp_env_format) {
1825     KMP_STR_BUF_PRINT_NAME;
1826   } else {
1827     __kmp_str_buf_print(buffer, "   %s", name);
1828   }
1829   if (__kmp_cpuinfo_file) {
1830     __kmp_str_buf_print(buffer, "='%s'\n", __kmp_cpuinfo_file);
1831   } else {
1832     __kmp_str_buf_print(buffer, ": %s\n", KMP_I18N_STR(NotDefined));
1833   }
1834 #endif
1835 } //__kmp_stg_print_cpuinfo_file
1836 
1837 // -----------------------------------------------------------------------------
1838 // KMP_FORCE_REDUCTION, KMP_DETERMINISTIC_REDUCTION
1839 
1840 static void __kmp_stg_parse_force_reduction(char const *name, char const *value,
1841                                             void *data) {
1842   kmp_stg_fr_data_t *reduction = (kmp_stg_fr_data_t *)data;
1843   int rc;
1844 
1845   rc = __kmp_stg_check_rivals(name, value, reduction->rivals);
1846   if (rc) {
1847     return;
1848   }
1849   if (reduction->force) {
1850     if (value != 0) {
1851       if (__kmp_str_match("critical", 0, value))
1852         __kmp_force_reduction_method = critical_reduce_block;
1853       else if (__kmp_str_match("atomic", 0, value))
1854         __kmp_force_reduction_method = atomic_reduce_block;
1855       else if (__kmp_str_match("tree", 0, value))
1856         __kmp_force_reduction_method = tree_reduce_block;
1857       else {
1858         KMP_FATAL(UnknownForceReduction, name, value);
1859       }
1860     }
1861   } else {
1862     __kmp_stg_parse_bool(name, value, &__kmp_determ_red);
1863     if (__kmp_determ_red) {
1864       __kmp_force_reduction_method = tree_reduce_block;
1865     } else {
1866       __kmp_force_reduction_method = reduction_method_not_defined;
1867     }
1868   }
1869   K_DIAG(1, ("__kmp_force_reduction_method == %d\n",
1870              __kmp_force_reduction_method));
1871 } // __kmp_stg_parse_force_reduction
1872 
1873 static void __kmp_stg_print_force_reduction(kmp_str_buf_t *buffer,
1874                                             char const *name, void *data) {
1875 
1876   kmp_stg_fr_data_t *reduction = (kmp_stg_fr_data_t *)data;
1877   if (reduction->force) {
1878     if (__kmp_force_reduction_method == critical_reduce_block) {
1879       __kmp_stg_print_str(buffer, name, "critical");
1880     } else if (__kmp_force_reduction_method == atomic_reduce_block) {
1881       __kmp_stg_print_str(buffer, name, "atomic");
1882     } else if (__kmp_force_reduction_method == tree_reduce_block) {
1883       __kmp_stg_print_str(buffer, name, "tree");
1884     } else {
1885       if (__kmp_env_format) {
1886         KMP_STR_BUF_PRINT_NAME;
1887       } else {
1888         __kmp_str_buf_print(buffer, "   %s", name);
1889       }
1890       __kmp_str_buf_print(buffer, ": %s\n", KMP_I18N_STR(NotDefined));
1891     }
1892   } else {
1893     __kmp_stg_print_bool(buffer, name, __kmp_determ_red);
1894   }
1895 
1896 } // __kmp_stg_print_force_reduction
1897 
1898 // -----------------------------------------------------------------------------
1899 // KMP_STORAGE_MAP
1900 
1901 static void __kmp_stg_parse_storage_map(char const *name, char const *value,
1902                                         void *data) {
1903   if (__kmp_str_match("verbose", 1, value)) {
1904     __kmp_storage_map = TRUE;
1905     __kmp_storage_map_verbose = TRUE;
1906     __kmp_storage_map_verbose_specified = TRUE;
1907 
1908   } else {
1909     __kmp_storage_map_verbose = FALSE;
1910     __kmp_stg_parse_bool(name, value, &__kmp_storage_map); // !!!
1911   }
1912 } // __kmp_stg_parse_storage_map
1913 
1914 static void __kmp_stg_print_storage_map(kmp_str_buf_t *buffer, char const *name,
1915                                         void *data) {
1916   if (__kmp_storage_map_verbose || __kmp_storage_map_verbose_specified) {
1917     __kmp_stg_print_str(buffer, name, "verbose");
1918   } else {
1919     __kmp_stg_print_bool(buffer, name, __kmp_storage_map);
1920   }
1921 } // __kmp_stg_print_storage_map
1922 
1923 // -----------------------------------------------------------------------------
1924 // KMP_ALL_THREADPRIVATE
1925 
1926 static void __kmp_stg_parse_all_threadprivate(char const *name,
1927                                               char const *value, void *data) {
1928   __kmp_stg_parse_int(name, value,
1929                       __kmp_allThreadsSpecified ? __kmp_max_nth : 1,
1930                       __kmp_max_nth, &__kmp_tp_capacity);
1931 } // __kmp_stg_parse_all_threadprivate
1932 
1933 static void __kmp_stg_print_all_threadprivate(kmp_str_buf_t *buffer,
1934                                               char const *name, void *data) {
1935   __kmp_stg_print_int(buffer, name, __kmp_tp_capacity);
1936 }
1937 
1938 // -----------------------------------------------------------------------------
1939 // KMP_FOREIGN_THREADS_THREADPRIVATE
1940 
1941 static void __kmp_stg_parse_foreign_threads_threadprivate(char const *name,
1942                                                           char const *value,
1943                                                           void *data) {
1944   __kmp_stg_parse_bool(name, value, &__kmp_foreign_tp);
1945 } // __kmp_stg_parse_foreign_threads_threadprivate
1946 
1947 static void __kmp_stg_print_foreign_threads_threadprivate(kmp_str_buf_t *buffer,
1948                                                           char const *name,
1949                                                           void *data) {
1950   __kmp_stg_print_bool(buffer, name, __kmp_foreign_tp);
1951 } // __kmp_stg_print_foreign_threads_threadprivate
1952 
1953 // -----------------------------------------------------------------------------
1954 // KMP_AFFINITY, GOMP_CPU_AFFINITY, KMP_TOPOLOGY_METHOD
1955 
1956 #if KMP_AFFINITY_SUPPORTED
1957 // Parse the proc id list.  Return TRUE if successful, FALSE otherwise.
1958 static int __kmp_parse_affinity_proc_id_list(const char *var, const char *env,
1959                                              const char **nextEnv,
1960                                              char **proclist) {
1961   const char *scan = env;
1962   const char *next = scan;
1963   int empty = TRUE;
1964 
1965   *proclist = NULL;
1966 
1967   for (;;) {
1968     int start, end, stride;
1969 
1970     SKIP_WS(scan);
1971     next = scan;
1972     if (*next == '\0') {
1973       break;
1974     }
1975 
1976     if (*next == '{') {
1977       int num;
1978       next++; // skip '{'
1979       SKIP_WS(next);
1980       scan = next;
1981 
1982       // Read the first integer in the set.
1983       if ((*next < '0') || (*next > '9')) {
1984         KMP_WARNING(AffSyntaxError, var);
1985         return FALSE;
1986       }
1987       SKIP_DIGITS(next);
1988       num = __kmp_str_to_int(scan, *next);
1989       KMP_ASSERT(num >= 0);
1990 
1991       for (;;) {
1992         // Check for end of set.
1993         SKIP_WS(next);
1994         if (*next == '}') {
1995           next++; // skip '}'
1996           break;
1997         }
1998 
1999         // Skip optional comma.
2000         if (*next == ',') {
2001           next++;
2002         }
2003         SKIP_WS(next);
2004 
2005         // Read the next integer in the set.
2006         scan = next;
2007         if ((*next < '0') || (*next > '9')) {
2008           KMP_WARNING(AffSyntaxError, var);
2009           return FALSE;
2010         }
2011 
2012         SKIP_DIGITS(next);
2013         num = __kmp_str_to_int(scan, *next);
2014         KMP_ASSERT(num >= 0);
2015       }
2016       empty = FALSE;
2017 
2018       SKIP_WS(next);
2019       if (*next == ',') {
2020         next++;
2021       }
2022       scan = next;
2023       continue;
2024     }
2025 
2026     // Next character is not an integer => end of list
2027     if ((*next < '0') || (*next > '9')) {
2028       if (empty) {
2029         KMP_WARNING(AffSyntaxError, var);
2030         return FALSE;
2031       }
2032       break;
2033     }
2034 
2035     // Read the first integer.
2036     SKIP_DIGITS(next);
2037     start = __kmp_str_to_int(scan, *next);
2038     KMP_ASSERT(start >= 0);
2039     SKIP_WS(next);
2040 
2041     // If this isn't a range, then go on.
2042     if (*next != '-') {
2043       empty = FALSE;
2044 
2045       // Skip optional comma.
2046       if (*next == ',') {
2047         next++;
2048       }
2049       scan = next;
2050       continue;
2051     }
2052 
2053     // This is a range.  Skip over the '-' and read in the 2nd int.
2054     next++; // skip '-'
2055     SKIP_WS(next);
2056     scan = next;
2057     if ((*next < '0') || (*next > '9')) {
2058       KMP_WARNING(AffSyntaxError, var);
2059       return FALSE;
2060     }
2061     SKIP_DIGITS(next);
2062     end = __kmp_str_to_int(scan, *next);
2063     KMP_ASSERT(end >= 0);
2064 
2065     // Check for a stride parameter
2066     stride = 1;
2067     SKIP_WS(next);
2068     if (*next == ':') {
2069       // A stride is specified.  Skip over the ':" and read the 3rd int.
2070       int sign = +1;
2071       next++; // skip ':'
2072       SKIP_WS(next);
2073       scan = next;
2074       if (*next == '-') {
2075         sign = -1;
2076         next++;
2077         SKIP_WS(next);
2078         scan = next;
2079       }
2080       if ((*next < '0') || (*next > '9')) {
2081         KMP_WARNING(AffSyntaxError, var);
2082         return FALSE;
2083       }
2084       SKIP_DIGITS(next);
2085       stride = __kmp_str_to_int(scan, *next);
2086       KMP_ASSERT(stride >= 0);
2087       stride *= sign;
2088     }
2089 
2090     // Do some range checks.
2091     if (stride == 0) {
2092       KMP_WARNING(AffZeroStride, var);
2093       return FALSE;
2094     }
2095     if (stride > 0) {
2096       if (start > end) {
2097         KMP_WARNING(AffStartGreaterEnd, var, start, end);
2098         return FALSE;
2099       }
2100     } else {
2101       if (start < end) {
2102         KMP_WARNING(AffStrideLessZero, var, start, end);
2103         return FALSE;
2104       }
2105     }
2106     if ((end - start) / stride > 65536) {
2107       KMP_WARNING(AffRangeTooBig, var, end, start, stride);
2108       return FALSE;
2109     }
2110 
2111     empty = FALSE;
2112 
2113     // Skip optional comma.
2114     SKIP_WS(next);
2115     if (*next == ',') {
2116       next++;
2117     }
2118     scan = next;
2119   }
2120 
2121   *nextEnv = next;
2122 
2123   {
2124     ptrdiff_t len = next - env;
2125     char *retlist = (char *)__kmp_allocate((len + 1) * sizeof(char));
2126     KMP_MEMCPY_S(retlist, (len + 1) * sizeof(char), env, len * sizeof(char));
2127     retlist[len] = '\0';
2128     *proclist = retlist;
2129   }
2130   return TRUE;
2131 }
2132 
2133 // If KMP_AFFINITY is specified without a type, then
2134 // __kmp_affinity_notype should point to its setting.
2135 static kmp_setting_t *__kmp_affinity_notype = NULL;
2136 
2137 static void __kmp_parse_affinity_env(char const *name, char const *value,
2138                                      enum affinity_type *out_type,
2139                                      char **out_proclist, int *out_verbose,
2140                                      int *out_warn, int *out_respect,
2141                                      kmp_hw_t *out_gran, int *out_gran_levels,
2142                                      int *out_dups, int *out_compact,
2143                                      int *out_offset) {
2144   char *buffer = NULL; // Copy of env var value.
2145   char *buf = NULL; // Buffer for strtok_r() function.
2146   char *next = NULL; // end of token / start of next.
2147   const char *start; // start of current token (for err msgs)
2148   int count = 0; // Counter of parsed integer numbers.
2149   int number[2]; // Parsed numbers.
2150 
2151   // Guards.
2152   int type = 0;
2153   int proclist = 0;
2154   int verbose = 0;
2155   int warnings = 0;
2156   int respect = 0;
2157   int gran = 0;
2158   int dups = 0;
2159   bool set = false;
2160 
2161   KMP_ASSERT(value != NULL);
2162 
2163   if (TCR_4(__kmp_init_middle)) {
2164     KMP_WARNING(EnvMiddleWarn, name);
2165     __kmp_env_toPrint(name, 0);
2166     return;
2167   }
2168   __kmp_env_toPrint(name, 1);
2169 
2170   buffer =
2171       __kmp_str_format("%s", value); // Copy env var to keep original intact.
2172   buf = buffer;
2173   SKIP_WS(buf);
2174 
2175 // Helper macros.
2176 
2177 // If we see a parse error, emit a warning and scan to the next ",".
2178 //
2179 // FIXME - there's got to be a better way to print an error
2180 // message, hopefully without overwriting peices of buf.
2181 #define EMIT_WARN(skip, errlist)                                               \
2182   {                                                                            \
2183     char ch;                                                                   \
2184     if (skip) {                                                                \
2185       SKIP_TO(next, ',');                                                      \
2186     }                                                                          \
2187     ch = *next;                                                                \
2188     *next = '\0';                                                              \
2189     KMP_WARNING errlist;                                                       \
2190     *next = ch;                                                                \
2191     if (skip) {                                                                \
2192       if (ch == ',')                                                           \
2193         next++;                                                                \
2194     }                                                                          \
2195     buf = next;                                                                \
2196   }
2197 
2198 #define _set_param(_guard, _var, _val)                                         \
2199   {                                                                            \
2200     if (_guard == 0) {                                                         \
2201       _var = _val;                                                             \
2202     } else {                                                                   \
2203       EMIT_WARN(FALSE, (AffParamDefined, name, start));                        \
2204     }                                                                          \
2205     ++_guard;                                                                  \
2206   }
2207 
2208 #define set_type(val) _set_param(type, *out_type, val)
2209 #define set_verbose(val) _set_param(verbose, *out_verbose, val)
2210 #define set_warnings(val) _set_param(warnings, *out_warn, val)
2211 #define set_respect(val) _set_param(respect, *out_respect, val)
2212 #define set_dups(val) _set_param(dups, *out_dups, val)
2213 #define set_proclist(val) _set_param(proclist, *out_proclist, val)
2214 
2215 #define set_gran(val, levels)                                                  \
2216   {                                                                            \
2217     if (gran == 0) {                                                           \
2218       *out_gran = val;                                                         \
2219       *out_gran_levels = levels;                                               \
2220     } else {                                                                   \
2221       EMIT_WARN(FALSE, (AffParamDefined, name, start));                        \
2222     }                                                                          \
2223     ++gran;                                                                    \
2224   }
2225 
2226   KMP_DEBUG_ASSERT((__kmp_nested_proc_bind.bind_types != NULL) &&
2227                    (__kmp_nested_proc_bind.used > 0));
2228 
2229   while (*buf != '\0') {
2230     start = next = buf;
2231 
2232     if (__kmp_match_str("none", buf, CCAST(const char **, &next))) {
2233       set_type(affinity_none);
2234       __kmp_nested_proc_bind.bind_types[0] = proc_bind_false;
2235       buf = next;
2236     } else if (__kmp_match_str("scatter", buf, CCAST(const char **, &next))) {
2237       set_type(affinity_scatter);
2238       __kmp_nested_proc_bind.bind_types[0] = proc_bind_intel;
2239       buf = next;
2240     } else if (__kmp_match_str("compact", buf, CCAST(const char **, &next))) {
2241       set_type(affinity_compact);
2242       __kmp_nested_proc_bind.bind_types[0] = proc_bind_intel;
2243       buf = next;
2244     } else if (__kmp_match_str("logical", buf, CCAST(const char **, &next))) {
2245       set_type(affinity_logical);
2246       __kmp_nested_proc_bind.bind_types[0] = proc_bind_intel;
2247       buf = next;
2248     } else if (__kmp_match_str("physical", buf, CCAST(const char **, &next))) {
2249       set_type(affinity_physical);
2250       __kmp_nested_proc_bind.bind_types[0] = proc_bind_intel;
2251       buf = next;
2252     } else if (__kmp_match_str("explicit", buf, CCAST(const char **, &next))) {
2253       set_type(affinity_explicit);
2254       __kmp_nested_proc_bind.bind_types[0] = proc_bind_intel;
2255       buf = next;
2256     } else if (__kmp_match_str("balanced", buf, CCAST(const char **, &next))) {
2257       set_type(affinity_balanced);
2258       __kmp_nested_proc_bind.bind_types[0] = proc_bind_intel;
2259       buf = next;
2260     } else if (__kmp_match_str("disabled", buf, CCAST(const char **, &next))) {
2261       set_type(affinity_disabled);
2262       __kmp_nested_proc_bind.bind_types[0] = proc_bind_false;
2263       buf = next;
2264     } else if (__kmp_match_str("verbose", buf, CCAST(const char **, &next))) {
2265       set_verbose(TRUE);
2266       buf = next;
2267     } else if (__kmp_match_str("noverbose", buf, CCAST(const char **, &next))) {
2268       set_verbose(FALSE);
2269       buf = next;
2270     } else if (__kmp_match_str("warnings", buf, CCAST(const char **, &next))) {
2271       set_warnings(TRUE);
2272       buf = next;
2273     } else if (__kmp_match_str("nowarnings", buf,
2274                                CCAST(const char **, &next))) {
2275       set_warnings(FALSE);
2276       buf = next;
2277     } else if (__kmp_match_str("respect", buf, CCAST(const char **, &next))) {
2278       set_respect(TRUE);
2279       buf = next;
2280     } else if (__kmp_match_str("norespect", buf, CCAST(const char **, &next))) {
2281       set_respect(FALSE);
2282       buf = next;
2283     } else if (__kmp_match_str("duplicates", buf,
2284                                CCAST(const char **, &next)) ||
2285                __kmp_match_str("dups", buf, CCAST(const char **, &next))) {
2286       set_dups(TRUE);
2287       buf = next;
2288     } else if (__kmp_match_str("noduplicates", buf,
2289                                CCAST(const char **, &next)) ||
2290                __kmp_match_str("nodups", buf, CCAST(const char **, &next))) {
2291       set_dups(FALSE);
2292       buf = next;
2293     } else if (__kmp_match_str("granularity", buf,
2294                                CCAST(const char **, &next)) ||
2295                __kmp_match_str("gran", buf, CCAST(const char **, &next))) {
2296       SKIP_WS(next);
2297       if (*next != '=') {
2298         EMIT_WARN(TRUE, (AffInvalidParam, name, start));
2299         continue;
2300       }
2301       next++; // skip '='
2302       SKIP_WS(next);
2303 
2304       buf = next;
2305 
2306       // Try any hardware topology type for granularity
2307       KMP_FOREACH_HW_TYPE(type) {
2308         const char *name = __kmp_hw_get_keyword(type);
2309         if (__kmp_match_str(name, buf, CCAST(const char **, &next))) {
2310           set_gran(type, -1);
2311           buf = next;
2312           set = true;
2313           break;
2314         }
2315       }
2316       if (!set) {
2317         // Support older names for different granularity layers
2318         if (__kmp_match_str("fine", buf, CCAST(const char **, &next))) {
2319           set_gran(KMP_HW_THREAD, -1);
2320           buf = next;
2321           set = true;
2322         } else if (__kmp_match_str("package", buf,
2323                                    CCAST(const char **, &next))) {
2324           set_gran(KMP_HW_SOCKET, -1);
2325           buf = next;
2326           set = true;
2327         } else if (__kmp_match_str("node", buf, CCAST(const char **, &next))) {
2328           set_gran(KMP_HW_NUMA, -1);
2329           buf = next;
2330           set = true;
2331 #if KMP_GROUP_AFFINITY
2332         } else if (__kmp_match_str("group", buf, CCAST(const char **, &next))) {
2333           set_gran(KMP_HW_PROC_GROUP, -1);
2334           buf = next;
2335           set = true;
2336 #endif /* KMP_GROUP AFFINITY */
2337         } else if ((*buf >= '0') && (*buf <= '9')) {
2338           int n;
2339           next = buf;
2340           SKIP_DIGITS(next);
2341           n = __kmp_str_to_int(buf, *next);
2342           KMP_ASSERT(n >= 0);
2343           buf = next;
2344           set_gran(KMP_HW_UNKNOWN, n);
2345           set = true;
2346         } else {
2347           EMIT_WARN(TRUE, (AffInvalidParam, name, start));
2348           continue;
2349         }
2350       }
2351     } else if (__kmp_match_str("proclist", buf, CCAST(const char **, &next))) {
2352       char *temp_proclist;
2353 
2354       SKIP_WS(next);
2355       if (*next != '=') {
2356         EMIT_WARN(TRUE, (AffInvalidParam, name, start));
2357         continue;
2358       }
2359       next++; // skip '='
2360       SKIP_WS(next);
2361       if (*next != '[') {
2362         EMIT_WARN(TRUE, (AffInvalidParam, name, start));
2363         continue;
2364       }
2365       next++; // skip '['
2366       buf = next;
2367       if (!__kmp_parse_affinity_proc_id_list(
2368               name, buf, CCAST(const char **, &next), &temp_proclist)) {
2369         // warning already emitted.
2370         SKIP_TO(next, ']');
2371         if (*next == ']')
2372           next++;
2373         SKIP_TO(next, ',');
2374         if (*next == ',')
2375           next++;
2376         buf = next;
2377         continue;
2378       }
2379       if (*next != ']') {
2380         EMIT_WARN(TRUE, (AffInvalidParam, name, start));
2381         continue;
2382       }
2383       next++; // skip ']'
2384       set_proclist(temp_proclist);
2385     } else if ((*buf >= '0') && (*buf <= '9')) {
2386       // Parse integer numbers -- permute and offset.
2387       int n;
2388       next = buf;
2389       SKIP_DIGITS(next);
2390       n = __kmp_str_to_int(buf, *next);
2391       KMP_ASSERT(n >= 0);
2392       buf = next;
2393       if (count < 2) {
2394         number[count] = n;
2395       } else {
2396         KMP_WARNING(AffManyParams, name, start);
2397       }
2398       ++count;
2399     } else {
2400       EMIT_WARN(TRUE, (AffInvalidParam, name, start));
2401       continue;
2402     }
2403 
2404     SKIP_WS(next);
2405     if (*next == ',') {
2406       next++;
2407       SKIP_WS(next);
2408     } else if (*next != '\0') {
2409       const char *temp = next;
2410       EMIT_WARN(TRUE, (ParseExtraCharsWarn, name, temp));
2411       continue;
2412     }
2413     buf = next;
2414   } // while
2415 
2416 #undef EMIT_WARN
2417 #undef _set_param
2418 #undef set_type
2419 #undef set_verbose
2420 #undef set_warnings
2421 #undef set_respect
2422 #undef set_granularity
2423 
2424   __kmp_str_free(&buffer);
2425 
2426   if (proclist) {
2427     if (!type) {
2428       KMP_WARNING(AffProcListNoType, name);
2429       *out_type = affinity_explicit;
2430       __kmp_nested_proc_bind.bind_types[0] = proc_bind_intel;
2431     } else if (*out_type != affinity_explicit) {
2432       KMP_WARNING(AffProcListNotExplicit, name);
2433       KMP_ASSERT(*out_proclist != NULL);
2434       KMP_INTERNAL_FREE(*out_proclist);
2435       *out_proclist = NULL;
2436     }
2437   }
2438   switch (*out_type) {
2439   case affinity_logical:
2440   case affinity_physical: {
2441     if (count > 0) {
2442       *out_offset = number[0];
2443     }
2444     if (count > 1) {
2445       KMP_WARNING(AffManyParamsForLogic, name, number[1]);
2446     }
2447   } break;
2448   case affinity_balanced: {
2449     if (count > 0) {
2450       *out_compact = number[0];
2451     }
2452     if (count > 1) {
2453       *out_offset = number[1];
2454     }
2455 
2456     if (__kmp_affinity_gran == KMP_HW_UNKNOWN) {
2457 #if KMP_MIC_SUPPORTED
2458       if (__kmp_mic_type != non_mic) {
2459         if (__kmp_affinity_verbose || __kmp_affinity_warnings) {
2460           KMP_WARNING(AffGranUsing, "KMP_AFFINITY", "fine");
2461         }
2462         __kmp_affinity_gran = KMP_HW_THREAD;
2463       } else
2464 #endif
2465       {
2466         if (__kmp_affinity_verbose || __kmp_affinity_warnings) {
2467           KMP_WARNING(AffGranUsing, "KMP_AFFINITY", "core");
2468         }
2469         __kmp_affinity_gran = KMP_HW_CORE;
2470       }
2471     }
2472   } break;
2473   case affinity_scatter:
2474   case affinity_compact: {
2475     if (count > 0) {
2476       *out_compact = number[0];
2477     }
2478     if (count > 1) {
2479       *out_offset = number[1];
2480     }
2481   } break;
2482   case affinity_explicit: {
2483     if (*out_proclist == NULL) {
2484       KMP_WARNING(AffNoProcList, name);
2485       __kmp_affinity_type = affinity_none;
2486     }
2487     if (count > 0) {
2488       KMP_WARNING(AffNoParam, name, "explicit");
2489     }
2490   } break;
2491   case affinity_none: {
2492     if (count > 0) {
2493       KMP_WARNING(AffNoParam, name, "none");
2494     }
2495   } break;
2496   case affinity_disabled: {
2497     if (count > 0) {
2498       KMP_WARNING(AffNoParam, name, "disabled");
2499     }
2500   } break;
2501   case affinity_default: {
2502     if (count > 0) {
2503       KMP_WARNING(AffNoParam, name, "default");
2504     }
2505   } break;
2506   default: {
2507     KMP_ASSERT(0);
2508   }
2509   }
2510 } // __kmp_parse_affinity_env
2511 
2512 static void __kmp_stg_parse_affinity(char const *name, char const *value,
2513                                      void *data) {
2514   kmp_setting_t **rivals = (kmp_setting_t **)data;
2515   int rc;
2516 
2517   rc = __kmp_stg_check_rivals(name, value, rivals);
2518   if (rc) {
2519     return;
2520   }
2521 
2522   __kmp_parse_affinity_env(name, value, &__kmp_affinity_type,
2523                            &__kmp_affinity_proclist, &__kmp_affinity_verbose,
2524                            &__kmp_affinity_warnings,
2525                            &__kmp_affinity_respect_mask, &__kmp_affinity_gran,
2526                            &__kmp_affinity_gran_levels, &__kmp_affinity_dups,
2527                            &__kmp_affinity_compact, &__kmp_affinity_offset);
2528 
2529 } // __kmp_stg_parse_affinity
2530 
2531 static void __kmp_stg_print_affinity(kmp_str_buf_t *buffer, char const *name,
2532                                      void *data) {
2533   if (__kmp_env_format) {
2534     KMP_STR_BUF_PRINT_NAME_EX(name);
2535   } else {
2536     __kmp_str_buf_print(buffer, "   %s='", name);
2537   }
2538   if (__kmp_affinity_verbose) {
2539     __kmp_str_buf_print(buffer, "%s,", "verbose");
2540   } else {
2541     __kmp_str_buf_print(buffer, "%s,", "noverbose");
2542   }
2543   if (__kmp_affinity_warnings) {
2544     __kmp_str_buf_print(buffer, "%s,", "warnings");
2545   } else {
2546     __kmp_str_buf_print(buffer, "%s,", "nowarnings");
2547   }
2548   if (KMP_AFFINITY_CAPABLE()) {
2549     if (__kmp_affinity_respect_mask) {
2550       __kmp_str_buf_print(buffer, "%s,", "respect");
2551     } else {
2552       __kmp_str_buf_print(buffer, "%s,", "norespect");
2553     }
2554     __kmp_str_buf_print(buffer, "granularity=%s,",
2555                         __kmp_hw_get_keyword(__kmp_affinity_gran, false));
2556   }
2557   if (!KMP_AFFINITY_CAPABLE()) {
2558     __kmp_str_buf_print(buffer, "%s", "disabled");
2559   } else
2560     switch (__kmp_affinity_type) {
2561     case affinity_none:
2562       __kmp_str_buf_print(buffer, "%s", "none");
2563       break;
2564     case affinity_physical:
2565       __kmp_str_buf_print(buffer, "%s,%d", "physical", __kmp_affinity_offset);
2566       break;
2567     case affinity_logical:
2568       __kmp_str_buf_print(buffer, "%s,%d", "logical", __kmp_affinity_offset);
2569       break;
2570     case affinity_compact:
2571       __kmp_str_buf_print(buffer, "%s,%d,%d", "compact", __kmp_affinity_compact,
2572                           __kmp_affinity_offset);
2573       break;
2574     case affinity_scatter:
2575       __kmp_str_buf_print(buffer, "%s,%d,%d", "scatter", __kmp_affinity_compact,
2576                           __kmp_affinity_offset);
2577       break;
2578     case affinity_explicit:
2579       __kmp_str_buf_print(buffer, "%s=[%s],%s", "proclist",
2580                           __kmp_affinity_proclist, "explicit");
2581       break;
2582     case affinity_balanced:
2583       __kmp_str_buf_print(buffer, "%s,%d,%d", "balanced",
2584                           __kmp_affinity_compact, __kmp_affinity_offset);
2585       break;
2586     case affinity_disabled:
2587       __kmp_str_buf_print(buffer, "%s", "disabled");
2588       break;
2589     case affinity_default:
2590       __kmp_str_buf_print(buffer, "%s", "default");
2591       break;
2592     default:
2593       __kmp_str_buf_print(buffer, "%s", "<unknown>");
2594       break;
2595     }
2596   __kmp_str_buf_print(buffer, "'\n");
2597 } //__kmp_stg_print_affinity
2598 
2599 #ifdef KMP_GOMP_COMPAT
2600 
2601 static void __kmp_stg_parse_gomp_cpu_affinity(char const *name,
2602                                               char const *value, void *data) {
2603   const char *next = NULL;
2604   char *temp_proclist;
2605   kmp_setting_t **rivals = (kmp_setting_t **)data;
2606   int rc;
2607 
2608   rc = __kmp_stg_check_rivals(name, value, rivals);
2609   if (rc) {
2610     return;
2611   }
2612 
2613   if (TCR_4(__kmp_init_middle)) {
2614     KMP_WARNING(EnvMiddleWarn, name);
2615     __kmp_env_toPrint(name, 0);
2616     return;
2617   }
2618 
2619   __kmp_env_toPrint(name, 1);
2620 
2621   if (__kmp_parse_affinity_proc_id_list(name, value, &next, &temp_proclist)) {
2622     SKIP_WS(next);
2623     if (*next == '\0') {
2624       // GOMP_CPU_AFFINITY => granularity=fine,explicit,proclist=...
2625       __kmp_affinity_proclist = temp_proclist;
2626       __kmp_affinity_type = affinity_explicit;
2627       __kmp_affinity_gran = KMP_HW_THREAD;
2628       __kmp_nested_proc_bind.bind_types[0] = proc_bind_intel;
2629     } else {
2630       KMP_WARNING(AffSyntaxError, name);
2631       if (temp_proclist != NULL) {
2632         KMP_INTERNAL_FREE((void *)temp_proclist);
2633       }
2634     }
2635   } else {
2636     // Warning already emitted
2637     __kmp_affinity_type = affinity_none;
2638     __kmp_nested_proc_bind.bind_types[0] = proc_bind_false;
2639   }
2640 } // __kmp_stg_parse_gomp_cpu_affinity
2641 
2642 #endif /* KMP_GOMP_COMPAT */
2643 
2644 /*-----------------------------------------------------------------------------
2645 The OMP_PLACES proc id list parser. Here is the grammar:
2646 
2647 place_list := place
2648 place_list := place , place_list
2649 place := num
2650 place := place : num
2651 place := place : num : signed
2652 place := { subplacelist }
2653 place := ! place                  // (lowest priority)
2654 subplace_list := subplace
2655 subplace_list := subplace , subplace_list
2656 subplace := num
2657 subplace := num : num
2658 subplace := num : num : signed
2659 signed := num
2660 signed := + signed
2661 signed := - signed
2662 -----------------------------------------------------------------------------*/
2663 
2664 // Warning to issue for syntax error during parsing of OMP_PLACES
2665 static inline void __kmp_omp_places_syntax_warn(const char *var) {
2666   KMP_WARNING(SyntaxErrorUsing, var, "\"cores\"");
2667 }
2668 
2669 static int __kmp_parse_subplace_list(const char *var, const char **scan) {
2670   const char *next;
2671 
2672   for (;;) {
2673     int start, count, stride;
2674 
2675     //
2676     // Read in the starting proc id
2677     //
2678     SKIP_WS(*scan);
2679     if ((**scan < '0') || (**scan > '9')) {
2680       __kmp_omp_places_syntax_warn(var);
2681       return FALSE;
2682     }
2683     next = *scan;
2684     SKIP_DIGITS(next);
2685     start = __kmp_str_to_int(*scan, *next);
2686     KMP_ASSERT(start >= 0);
2687     *scan = next;
2688 
2689     // valid follow sets are ',' ':' and '}'
2690     SKIP_WS(*scan);
2691     if (**scan == '}') {
2692       break;
2693     }
2694     if (**scan == ',') {
2695       (*scan)++; // skip ','
2696       continue;
2697     }
2698     if (**scan != ':') {
2699       __kmp_omp_places_syntax_warn(var);
2700       return FALSE;
2701     }
2702     (*scan)++; // skip ':'
2703 
2704     // Read count parameter
2705     SKIP_WS(*scan);
2706     if ((**scan < '0') || (**scan > '9')) {
2707       __kmp_omp_places_syntax_warn(var);
2708       return FALSE;
2709     }
2710     next = *scan;
2711     SKIP_DIGITS(next);
2712     count = __kmp_str_to_int(*scan, *next);
2713     KMP_ASSERT(count >= 0);
2714     *scan = next;
2715 
2716     // valid follow sets are ',' ':' and '}'
2717     SKIP_WS(*scan);
2718     if (**scan == '}') {
2719       break;
2720     }
2721     if (**scan == ',') {
2722       (*scan)++; // skip ','
2723       continue;
2724     }
2725     if (**scan != ':') {
2726       __kmp_omp_places_syntax_warn(var);
2727       return FALSE;
2728     }
2729     (*scan)++; // skip ':'
2730 
2731     // Read stride parameter
2732     int sign = +1;
2733     for (;;) {
2734       SKIP_WS(*scan);
2735       if (**scan == '+') {
2736         (*scan)++; // skip '+'
2737         continue;
2738       }
2739       if (**scan == '-') {
2740         sign *= -1;
2741         (*scan)++; // skip '-'
2742         continue;
2743       }
2744       break;
2745     }
2746     SKIP_WS(*scan);
2747     if ((**scan < '0') || (**scan > '9')) {
2748       __kmp_omp_places_syntax_warn(var);
2749       return FALSE;
2750     }
2751     next = *scan;
2752     SKIP_DIGITS(next);
2753     stride = __kmp_str_to_int(*scan, *next);
2754     KMP_ASSERT(stride >= 0);
2755     *scan = next;
2756     stride *= sign;
2757 
2758     // valid follow sets are ',' and '}'
2759     SKIP_WS(*scan);
2760     if (**scan == '}') {
2761       break;
2762     }
2763     if (**scan == ',') {
2764       (*scan)++; // skip ','
2765       continue;
2766     }
2767 
2768     __kmp_omp_places_syntax_warn(var);
2769     return FALSE;
2770   }
2771   return TRUE;
2772 }
2773 
2774 static int __kmp_parse_place(const char *var, const char **scan) {
2775   const char *next;
2776 
2777   // valid follow sets are '{' '!' and num
2778   SKIP_WS(*scan);
2779   if (**scan == '{') {
2780     (*scan)++; // skip '{'
2781     if (!__kmp_parse_subplace_list(var, scan)) {
2782       return FALSE;
2783     }
2784     if (**scan != '}') {
2785       __kmp_omp_places_syntax_warn(var);
2786       return FALSE;
2787     }
2788     (*scan)++; // skip '}'
2789   } else if (**scan == '!') {
2790     (*scan)++; // skip '!'
2791     return __kmp_parse_place(var, scan); //'!' has lower precedence than ':'
2792   } else if ((**scan >= '0') && (**scan <= '9')) {
2793     next = *scan;
2794     SKIP_DIGITS(next);
2795     int proc = __kmp_str_to_int(*scan, *next);
2796     KMP_ASSERT(proc >= 0);
2797     *scan = next;
2798   } else {
2799     __kmp_omp_places_syntax_warn(var);
2800     return FALSE;
2801   }
2802   return TRUE;
2803 }
2804 
2805 static int __kmp_parse_place_list(const char *var, const char *env,
2806                                   char **place_list) {
2807   const char *scan = env;
2808   const char *next = scan;
2809 
2810   for (;;) {
2811     int count, stride;
2812 
2813     if (!__kmp_parse_place(var, &scan)) {
2814       return FALSE;
2815     }
2816 
2817     // valid follow sets are ',' ':' and EOL
2818     SKIP_WS(scan);
2819     if (*scan == '\0') {
2820       break;
2821     }
2822     if (*scan == ',') {
2823       scan++; // skip ','
2824       continue;
2825     }
2826     if (*scan != ':') {
2827       __kmp_omp_places_syntax_warn(var);
2828       return FALSE;
2829     }
2830     scan++; // skip ':'
2831 
2832     // Read count parameter
2833     SKIP_WS(scan);
2834     if ((*scan < '0') || (*scan > '9')) {
2835       __kmp_omp_places_syntax_warn(var);
2836       return FALSE;
2837     }
2838     next = scan;
2839     SKIP_DIGITS(next);
2840     count = __kmp_str_to_int(scan, *next);
2841     KMP_ASSERT(count >= 0);
2842     scan = next;
2843 
2844     // valid follow sets are ',' ':' and EOL
2845     SKIP_WS(scan);
2846     if (*scan == '\0') {
2847       break;
2848     }
2849     if (*scan == ',') {
2850       scan++; // skip ','
2851       continue;
2852     }
2853     if (*scan != ':') {
2854       __kmp_omp_places_syntax_warn(var);
2855       return FALSE;
2856     }
2857     scan++; // skip ':'
2858 
2859     // Read stride parameter
2860     int sign = +1;
2861     for (;;) {
2862       SKIP_WS(scan);
2863       if (*scan == '+') {
2864         scan++; // skip '+'
2865         continue;
2866       }
2867       if (*scan == '-') {
2868         sign *= -1;
2869         scan++; // skip '-'
2870         continue;
2871       }
2872       break;
2873     }
2874     SKIP_WS(scan);
2875     if ((*scan < '0') || (*scan > '9')) {
2876       __kmp_omp_places_syntax_warn(var);
2877       return FALSE;
2878     }
2879     next = scan;
2880     SKIP_DIGITS(next);
2881     stride = __kmp_str_to_int(scan, *next);
2882     KMP_ASSERT(stride >= 0);
2883     scan = next;
2884     stride *= sign;
2885 
2886     // valid follow sets are ',' and EOL
2887     SKIP_WS(scan);
2888     if (*scan == '\0') {
2889       break;
2890     }
2891     if (*scan == ',') {
2892       scan++; // skip ','
2893       continue;
2894     }
2895 
2896     __kmp_omp_places_syntax_warn(var);
2897     return FALSE;
2898   }
2899 
2900   {
2901     ptrdiff_t len = scan - env;
2902     char *retlist = (char *)__kmp_allocate((len + 1) * sizeof(char));
2903     KMP_MEMCPY_S(retlist, (len + 1) * sizeof(char), env, len * sizeof(char));
2904     retlist[len] = '\0';
2905     *place_list = retlist;
2906   }
2907   return TRUE;
2908 }
2909 
2910 static void __kmp_stg_parse_places(char const *name, char const *value,
2911                                    void *data) {
2912   struct kmp_place_t {
2913     const char *name;
2914     kmp_hw_t type;
2915   };
2916   int count;
2917   bool set = false;
2918   const char *scan = value;
2919   const char *next = scan;
2920   const char *kind = "\"threads\"";
2921   kmp_place_t std_places[] = {{"threads", KMP_HW_THREAD},
2922                               {"cores", KMP_HW_CORE},
2923                               {"numa_domains", KMP_HW_NUMA},
2924                               {"ll_caches", KMP_HW_LLC},
2925                               {"sockets", KMP_HW_SOCKET}};
2926   kmp_setting_t **rivals = (kmp_setting_t **)data;
2927   int rc;
2928 
2929   rc = __kmp_stg_check_rivals(name, value, rivals);
2930   if (rc) {
2931     return;
2932   }
2933 
2934   // Standard choices
2935   for (size_t i = 0; i < sizeof(std_places) / sizeof(std_places[0]); ++i) {
2936     const kmp_place_t &place = std_places[i];
2937     if (__kmp_match_str(place.name, scan, &next)) {
2938       scan = next;
2939       __kmp_affinity_type = affinity_compact;
2940       __kmp_affinity_gran = place.type;
2941       __kmp_affinity_dups = FALSE;
2942       set = true;
2943       break;
2944     }
2945   }
2946   // Implementation choices for OMP_PLACES based on internal types
2947   if (!set) {
2948     KMP_FOREACH_HW_TYPE(type) {
2949       const char *name = __kmp_hw_get_keyword(type, true);
2950       if (__kmp_match_str("unknowns", scan, &next))
2951         continue;
2952       if (__kmp_match_str(name, scan, &next)) {
2953         scan = next;
2954         __kmp_affinity_type = affinity_compact;
2955         __kmp_affinity_gran = type;
2956         __kmp_affinity_dups = FALSE;
2957         set = true;
2958         break;
2959       }
2960     }
2961   }
2962   if (!set) {
2963     if (__kmp_affinity_proclist != NULL) {
2964       KMP_INTERNAL_FREE((void *)__kmp_affinity_proclist);
2965       __kmp_affinity_proclist = NULL;
2966     }
2967     if (__kmp_parse_place_list(name, value, &__kmp_affinity_proclist)) {
2968       __kmp_affinity_type = affinity_explicit;
2969       __kmp_affinity_gran = KMP_HW_THREAD;
2970       __kmp_affinity_dups = FALSE;
2971     } else {
2972       // Syntax error fallback
2973       __kmp_affinity_type = affinity_compact;
2974       __kmp_affinity_gran = KMP_HW_CORE;
2975       __kmp_affinity_dups = FALSE;
2976     }
2977     if (__kmp_nested_proc_bind.bind_types[0] == proc_bind_default) {
2978       __kmp_nested_proc_bind.bind_types[0] = proc_bind_true;
2979     }
2980     return;
2981   }
2982   if (__kmp_affinity_gran != KMP_HW_UNKNOWN) {
2983     kind = __kmp_hw_get_keyword(__kmp_affinity_gran);
2984   }
2985 
2986   if (__kmp_nested_proc_bind.bind_types[0] == proc_bind_default) {
2987     __kmp_nested_proc_bind.bind_types[0] = proc_bind_true;
2988   }
2989 
2990   SKIP_WS(scan);
2991   if (*scan == '\0') {
2992     return;
2993   }
2994 
2995   // Parse option count parameter in parentheses
2996   if (*scan != '(') {
2997     KMP_WARNING(SyntaxErrorUsing, name, kind);
2998     return;
2999   }
3000   scan++; // skip '('
3001 
3002   SKIP_WS(scan);
3003   next = scan;
3004   SKIP_DIGITS(next);
3005   count = __kmp_str_to_int(scan, *next);
3006   KMP_ASSERT(count >= 0);
3007   scan = next;
3008 
3009   SKIP_WS(scan);
3010   if (*scan != ')') {
3011     KMP_WARNING(SyntaxErrorUsing, name, kind);
3012     return;
3013   }
3014   scan++; // skip ')'
3015 
3016   SKIP_WS(scan);
3017   if (*scan != '\0') {
3018     KMP_WARNING(ParseExtraCharsWarn, name, scan);
3019   }
3020   __kmp_affinity_num_places = count;
3021 }
3022 
3023 static void __kmp_stg_print_places(kmp_str_buf_t *buffer, char const *name,
3024                                    void *data) {
3025   if (__kmp_env_format) {
3026     KMP_STR_BUF_PRINT_NAME;
3027   } else {
3028     __kmp_str_buf_print(buffer, "   %s", name);
3029   }
3030   if ((__kmp_nested_proc_bind.used == 0) ||
3031       (__kmp_nested_proc_bind.bind_types == NULL) ||
3032       (__kmp_nested_proc_bind.bind_types[0] == proc_bind_false)) {
3033     __kmp_str_buf_print(buffer, ": %s\n", KMP_I18N_STR(NotDefined));
3034   } else if (__kmp_affinity_type == affinity_explicit) {
3035     if (__kmp_affinity_proclist != NULL) {
3036       __kmp_str_buf_print(buffer, "='%s'\n", __kmp_affinity_proclist);
3037     } else {
3038       __kmp_str_buf_print(buffer, ": %s\n", KMP_I18N_STR(NotDefined));
3039     }
3040   } else if (__kmp_affinity_type == affinity_compact) {
3041     int num;
3042     if (__kmp_affinity_num_masks > 0) {
3043       num = __kmp_affinity_num_masks;
3044     } else if (__kmp_affinity_num_places > 0) {
3045       num = __kmp_affinity_num_places;
3046     } else {
3047       num = 0;
3048     }
3049     if (__kmp_affinity_gran != KMP_HW_UNKNOWN) {
3050       const char *name = __kmp_hw_get_keyword(__kmp_affinity_gran, true);
3051       if (num > 0) {
3052         __kmp_str_buf_print(buffer, "='%s(%d)'\n", name, num);
3053       } else {
3054         __kmp_str_buf_print(buffer, "='%s'\n", name);
3055       }
3056     } else {
3057       __kmp_str_buf_print(buffer, ": %s\n", KMP_I18N_STR(NotDefined));
3058     }
3059   } else {
3060     __kmp_str_buf_print(buffer, ": %s\n", KMP_I18N_STR(NotDefined));
3061   }
3062 }
3063 
3064 static void __kmp_stg_parse_topology_method(char const *name, char const *value,
3065                                             void *data) {
3066   if (__kmp_str_match("all", 1, value)) {
3067     __kmp_affinity_top_method = affinity_top_method_all;
3068   }
3069 #if KMP_USE_HWLOC
3070   else if (__kmp_str_match("hwloc", 1, value)) {
3071     __kmp_affinity_top_method = affinity_top_method_hwloc;
3072   }
3073 #endif
3074 #if KMP_ARCH_X86 || KMP_ARCH_X86_64
3075   else if (__kmp_str_match("cpuid_leaf31", 12, value) ||
3076            __kmp_str_match("cpuid 1f", 8, value) ||
3077            __kmp_str_match("cpuid 31", 8, value) ||
3078            __kmp_str_match("cpuid1f", 7, value) ||
3079            __kmp_str_match("cpuid31", 7, value) ||
3080            __kmp_str_match("leaf 1f", 7, value) ||
3081            __kmp_str_match("leaf 31", 7, value) ||
3082            __kmp_str_match("leaf1f", 6, value) ||
3083            __kmp_str_match("leaf31", 6, value)) {
3084     __kmp_affinity_top_method = affinity_top_method_x2apicid_1f;
3085   } else if (__kmp_str_match("x2apic id", 9, value) ||
3086              __kmp_str_match("x2apic_id", 9, value) ||
3087              __kmp_str_match("x2apic-id", 9, value) ||
3088              __kmp_str_match("x2apicid", 8, value) ||
3089              __kmp_str_match("cpuid leaf 11", 13, value) ||
3090              __kmp_str_match("cpuid_leaf_11", 13, value) ||
3091              __kmp_str_match("cpuid-leaf-11", 13, value) ||
3092              __kmp_str_match("cpuid leaf11", 12, value) ||
3093              __kmp_str_match("cpuid_leaf11", 12, value) ||
3094              __kmp_str_match("cpuid-leaf11", 12, value) ||
3095              __kmp_str_match("cpuidleaf 11", 12, value) ||
3096              __kmp_str_match("cpuidleaf_11", 12, value) ||
3097              __kmp_str_match("cpuidleaf-11", 12, value) ||
3098              __kmp_str_match("cpuidleaf11", 11, value) ||
3099              __kmp_str_match("cpuid 11", 8, value) ||
3100              __kmp_str_match("cpuid_11", 8, value) ||
3101              __kmp_str_match("cpuid-11", 8, value) ||
3102              __kmp_str_match("cpuid11", 7, value) ||
3103              __kmp_str_match("leaf 11", 7, value) ||
3104              __kmp_str_match("leaf_11", 7, value) ||
3105              __kmp_str_match("leaf-11", 7, value) ||
3106              __kmp_str_match("leaf11", 6, value)) {
3107     __kmp_affinity_top_method = affinity_top_method_x2apicid;
3108   } else if (__kmp_str_match("apic id", 7, value) ||
3109              __kmp_str_match("apic_id", 7, value) ||
3110              __kmp_str_match("apic-id", 7, value) ||
3111              __kmp_str_match("apicid", 6, value) ||
3112              __kmp_str_match("cpuid leaf 4", 12, value) ||
3113              __kmp_str_match("cpuid_leaf_4", 12, value) ||
3114              __kmp_str_match("cpuid-leaf-4", 12, value) ||
3115              __kmp_str_match("cpuid leaf4", 11, value) ||
3116              __kmp_str_match("cpuid_leaf4", 11, value) ||
3117              __kmp_str_match("cpuid-leaf4", 11, value) ||
3118              __kmp_str_match("cpuidleaf 4", 11, value) ||
3119              __kmp_str_match("cpuidleaf_4", 11, value) ||
3120              __kmp_str_match("cpuidleaf-4", 11, value) ||
3121              __kmp_str_match("cpuidleaf4", 10, value) ||
3122              __kmp_str_match("cpuid 4", 7, value) ||
3123              __kmp_str_match("cpuid_4", 7, value) ||
3124              __kmp_str_match("cpuid-4", 7, value) ||
3125              __kmp_str_match("cpuid4", 6, value) ||
3126              __kmp_str_match("leaf 4", 6, value) ||
3127              __kmp_str_match("leaf_4", 6, value) ||
3128              __kmp_str_match("leaf-4", 6, value) ||
3129              __kmp_str_match("leaf4", 5, value)) {
3130     __kmp_affinity_top_method = affinity_top_method_apicid;
3131   }
3132 #endif /* KMP_ARCH_X86 || KMP_ARCH_X86_64 */
3133   else if (__kmp_str_match("/proc/cpuinfo", 2, value) ||
3134            __kmp_str_match("cpuinfo", 5, value)) {
3135     __kmp_affinity_top_method = affinity_top_method_cpuinfo;
3136   }
3137 #if KMP_GROUP_AFFINITY
3138   else if (__kmp_str_match("group", 1, value)) {
3139     KMP_WARNING(StgDeprecatedValue, name, value, "all");
3140     __kmp_affinity_top_method = affinity_top_method_group;
3141   }
3142 #endif /* KMP_GROUP_AFFINITY */
3143   else if (__kmp_str_match("flat", 1, value)) {
3144     __kmp_affinity_top_method = affinity_top_method_flat;
3145   } else {
3146     KMP_WARNING(StgInvalidValue, name, value);
3147   }
3148 } // __kmp_stg_parse_topology_method
3149 
3150 static void __kmp_stg_print_topology_method(kmp_str_buf_t *buffer,
3151                                             char const *name, void *data) {
3152   char const *value = NULL;
3153 
3154   switch (__kmp_affinity_top_method) {
3155   case affinity_top_method_default:
3156     value = "default";
3157     break;
3158 
3159   case affinity_top_method_all:
3160     value = "all";
3161     break;
3162 
3163 #if KMP_ARCH_X86 || KMP_ARCH_X86_64
3164   case affinity_top_method_x2apicid_1f:
3165     value = "x2APIC id leaf 0x1f";
3166     break;
3167 
3168   case affinity_top_method_x2apicid:
3169     value = "x2APIC id leaf 0xb";
3170     break;
3171 
3172   case affinity_top_method_apicid:
3173     value = "APIC id";
3174     break;
3175 #endif /* KMP_ARCH_X86 || KMP_ARCH_X86_64 */
3176 
3177 #if KMP_USE_HWLOC
3178   case affinity_top_method_hwloc:
3179     value = "hwloc";
3180     break;
3181 #endif
3182 
3183   case affinity_top_method_cpuinfo:
3184     value = "cpuinfo";
3185     break;
3186 
3187 #if KMP_GROUP_AFFINITY
3188   case affinity_top_method_group:
3189     value = "group";
3190     break;
3191 #endif /* KMP_GROUP_AFFINITY */
3192 
3193   case affinity_top_method_flat:
3194     value = "flat";
3195     break;
3196   }
3197 
3198   if (value != NULL) {
3199     __kmp_stg_print_str(buffer, name, value);
3200   }
3201 } // __kmp_stg_print_topology_method
3202 
3203 // KMP_TEAMS_PROC_BIND
3204 struct kmp_proc_bind_info_t {
3205   const char *name;
3206   kmp_proc_bind_t proc_bind;
3207 };
3208 static kmp_proc_bind_info_t proc_bind_table[] = {
3209     {"spread", proc_bind_spread},
3210     {"true", proc_bind_spread},
3211     {"close", proc_bind_close},
3212     // teams-bind = false means "replicate the primary thread's affinity"
3213     {"false", proc_bind_primary},
3214     {"primary", proc_bind_primary}};
3215 static void __kmp_stg_parse_teams_proc_bind(char const *name, char const *value,
3216                                             void *data) {
3217   int valid;
3218   const char *end;
3219   valid = 0;
3220   for (size_t i = 0; i < sizeof(proc_bind_table) / sizeof(proc_bind_table[0]);
3221        ++i) {
3222     if (__kmp_match_str(proc_bind_table[i].name, value, &end)) {
3223       __kmp_teams_proc_bind = proc_bind_table[i].proc_bind;
3224       valid = 1;
3225       break;
3226     }
3227   }
3228   if (!valid) {
3229     KMP_WARNING(StgInvalidValue, name, value);
3230   }
3231 }
3232 static void __kmp_stg_print_teams_proc_bind(kmp_str_buf_t *buffer,
3233                                             char const *name, void *data) {
3234   const char *value = KMP_I18N_STR(NotDefined);
3235   for (size_t i = 0; i < sizeof(proc_bind_table) / sizeof(proc_bind_table[0]);
3236        ++i) {
3237     if (__kmp_teams_proc_bind == proc_bind_table[i].proc_bind) {
3238       value = proc_bind_table[i].name;
3239       break;
3240     }
3241   }
3242   __kmp_stg_print_str(buffer, name, value);
3243 }
3244 #endif /* KMP_AFFINITY_SUPPORTED */
3245 
3246 // OMP_PROC_BIND / bind-var is functional on all 4.0 builds, including OS X*
3247 // OMP_PLACES / place-partition-var is not.
3248 static void __kmp_stg_parse_proc_bind(char const *name, char const *value,
3249                                       void *data) {
3250   kmp_setting_t **rivals = (kmp_setting_t **)data;
3251   int rc;
3252 
3253   rc = __kmp_stg_check_rivals(name, value, rivals);
3254   if (rc) {
3255     return;
3256   }
3257 
3258   // In OMP 4.0 OMP_PROC_BIND is a vector of proc_bind types.
3259   KMP_DEBUG_ASSERT((__kmp_nested_proc_bind.bind_types != NULL) &&
3260                    (__kmp_nested_proc_bind.used > 0));
3261 
3262   const char *buf = value;
3263   const char *next;
3264   int num;
3265   SKIP_WS(buf);
3266   if ((*buf >= '0') && (*buf <= '9')) {
3267     next = buf;
3268     SKIP_DIGITS(next);
3269     num = __kmp_str_to_int(buf, *next);
3270     KMP_ASSERT(num >= 0);
3271     buf = next;
3272     SKIP_WS(buf);
3273   } else {
3274     num = -1;
3275   }
3276 
3277   next = buf;
3278   if (__kmp_match_str("disabled", buf, &next)) {
3279     buf = next;
3280     SKIP_WS(buf);
3281 #if KMP_AFFINITY_SUPPORTED
3282     __kmp_affinity_type = affinity_disabled;
3283 #endif /* KMP_AFFINITY_SUPPORTED */
3284     __kmp_nested_proc_bind.used = 1;
3285     __kmp_nested_proc_bind.bind_types[0] = proc_bind_false;
3286   } else if ((num == (int)proc_bind_false) ||
3287              __kmp_match_str("false", buf, &next)) {
3288     buf = next;
3289     SKIP_WS(buf);
3290 #if KMP_AFFINITY_SUPPORTED
3291     __kmp_affinity_type = affinity_none;
3292 #endif /* KMP_AFFINITY_SUPPORTED */
3293     __kmp_nested_proc_bind.used = 1;
3294     __kmp_nested_proc_bind.bind_types[0] = proc_bind_false;
3295   } else if ((num == (int)proc_bind_true) ||
3296              __kmp_match_str("true", buf, &next)) {
3297     buf = next;
3298     SKIP_WS(buf);
3299     __kmp_nested_proc_bind.used = 1;
3300     __kmp_nested_proc_bind.bind_types[0] = proc_bind_true;
3301   } else {
3302     // Count the number of values in the env var string
3303     const char *scan;
3304     int nelem = 1;
3305     for (scan = buf; *scan != '\0'; scan++) {
3306       if (*scan == ',') {
3307         nelem++;
3308       }
3309     }
3310 
3311     // Create / expand the nested proc_bind array as needed
3312     if (__kmp_nested_proc_bind.size < nelem) {
3313       __kmp_nested_proc_bind.bind_types =
3314           (kmp_proc_bind_t *)KMP_INTERNAL_REALLOC(
3315               __kmp_nested_proc_bind.bind_types,
3316               sizeof(kmp_proc_bind_t) * nelem);
3317       if (__kmp_nested_proc_bind.bind_types == NULL) {
3318         KMP_FATAL(MemoryAllocFailed);
3319       }
3320       __kmp_nested_proc_bind.size = nelem;
3321     }
3322     __kmp_nested_proc_bind.used = nelem;
3323 
3324     if (nelem > 1 && !__kmp_dflt_max_active_levels_set)
3325       __kmp_dflt_max_active_levels = KMP_MAX_ACTIVE_LEVELS_LIMIT;
3326 
3327     // Save values in the nested proc_bind array
3328     int i = 0;
3329     for (;;) {
3330       enum kmp_proc_bind_t bind;
3331 
3332       if ((num == (int)proc_bind_primary) ||
3333           __kmp_match_str("master", buf, &next) ||
3334           __kmp_match_str("primary", buf, &next)) {
3335         buf = next;
3336         SKIP_WS(buf);
3337         bind = proc_bind_primary;
3338       } else if ((num == (int)proc_bind_close) ||
3339                  __kmp_match_str("close", buf, &next)) {
3340         buf = next;
3341         SKIP_WS(buf);
3342         bind = proc_bind_close;
3343       } else if ((num == (int)proc_bind_spread) ||
3344                  __kmp_match_str("spread", buf, &next)) {
3345         buf = next;
3346         SKIP_WS(buf);
3347         bind = proc_bind_spread;
3348       } else {
3349         KMP_WARNING(StgInvalidValue, name, value);
3350         __kmp_nested_proc_bind.bind_types[0] = proc_bind_false;
3351         __kmp_nested_proc_bind.used = 1;
3352         return;
3353       }
3354 
3355       __kmp_nested_proc_bind.bind_types[i++] = bind;
3356       if (i >= nelem) {
3357         break;
3358       }
3359       KMP_DEBUG_ASSERT(*buf == ',');
3360       buf++;
3361       SKIP_WS(buf);
3362 
3363       // Read next value if it was specified as an integer
3364       if ((*buf >= '0') && (*buf <= '9')) {
3365         next = buf;
3366         SKIP_DIGITS(next);
3367         num = __kmp_str_to_int(buf, *next);
3368         KMP_ASSERT(num >= 0);
3369         buf = next;
3370         SKIP_WS(buf);
3371       } else {
3372         num = -1;
3373       }
3374     }
3375     SKIP_WS(buf);
3376   }
3377   if (*buf != '\0') {
3378     KMP_WARNING(ParseExtraCharsWarn, name, buf);
3379   }
3380 }
3381 
3382 static void __kmp_stg_print_proc_bind(kmp_str_buf_t *buffer, char const *name,
3383                                       void *data) {
3384   int nelem = __kmp_nested_proc_bind.used;
3385   if (__kmp_env_format) {
3386     KMP_STR_BUF_PRINT_NAME;
3387   } else {
3388     __kmp_str_buf_print(buffer, "   %s", name);
3389   }
3390   if (nelem == 0) {
3391     __kmp_str_buf_print(buffer, ": %s\n", KMP_I18N_STR(NotDefined));
3392   } else {
3393     int i;
3394     __kmp_str_buf_print(buffer, "='", name);
3395     for (i = 0; i < nelem; i++) {
3396       switch (__kmp_nested_proc_bind.bind_types[i]) {
3397       case proc_bind_false:
3398         __kmp_str_buf_print(buffer, "false");
3399         break;
3400 
3401       case proc_bind_true:
3402         __kmp_str_buf_print(buffer, "true");
3403         break;
3404 
3405       case proc_bind_primary:
3406         __kmp_str_buf_print(buffer, "primary");
3407         break;
3408 
3409       case proc_bind_close:
3410         __kmp_str_buf_print(buffer, "close");
3411         break;
3412 
3413       case proc_bind_spread:
3414         __kmp_str_buf_print(buffer, "spread");
3415         break;
3416 
3417       case proc_bind_intel:
3418         __kmp_str_buf_print(buffer, "intel");
3419         break;
3420 
3421       case proc_bind_default:
3422         __kmp_str_buf_print(buffer, "default");
3423         break;
3424       }
3425       if (i < nelem - 1) {
3426         __kmp_str_buf_print(buffer, ",");
3427       }
3428     }
3429     __kmp_str_buf_print(buffer, "'\n");
3430   }
3431 }
3432 
3433 static void __kmp_stg_parse_display_affinity(char const *name,
3434                                              char const *value, void *data) {
3435   __kmp_stg_parse_bool(name, value, &__kmp_display_affinity);
3436 }
3437 static void __kmp_stg_print_display_affinity(kmp_str_buf_t *buffer,
3438                                              char const *name, void *data) {
3439   __kmp_stg_print_bool(buffer, name, __kmp_display_affinity);
3440 }
3441 static void __kmp_stg_parse_affinity_format(char const *name, char const *value,
3442                                             void *data) {
3443   size_t length = KMP_STRLEN(value);
3444   __kmp_strncpy_truncate(__kmp_affinity_format, KMP_AFFINITY_FORMAT_SIZE, value,
3445                          length);
3446 }
3447 static void __kmp_stg_print_affinity_format(kmp_str_buf_t *buffer,
3448                                             char const *name, void *data) {
3449   if (__kmp_env_format) {
3450     KMP_STR_BUF_PRINT_NAME_EX(name);
3451   } else {
3452     __kmp_str_buf_print(buffer, "   %s='", name);
3453   }
3454   __kmp_str_buf_print(buffer, "%s'\n", __kmp_affinity_format);
3455 }
3456 
3457 /*-----------------------------------------------------------------------------
3458 OMP_ALLOCATOR sets default allocator. Here is the grammar:
3459 
3460 <allocator>        |= <predef-allocator> | <predef-mem-space> |
3461                       <predef-mem-space>:<traits>
3462 <traits>           |= <trait>=<value> | <trait>=<value>,<traits>
3463 <predef-allocator> |= omp_default_mem_alloc | omp_large_cap_mem_alloc |
3464                       omp_const_mem_alloc | omp_high_bw_mem_alloc |
3465                       omp_low_lat_mem_alloc | omp_cgroup_mem_alloc |
3466                       omp_pteam_mem_alloc | omp_thread_mem_alloc
3467 <predef-mem-space> |= omp_default_mem_space | omp_large_cap_mem_space |
3468                       omp_const_mem_space | omp_high_bw_mem_space |
3469                       omp_low_lat_mem_space
3470 <trait>            |= sync_hint | alignment | access | pool_size | fallback |
3471                       fb_data | pinned | partition
3472 <value>            |= one of the allowed values of trait |
3473                       non-negative integer | <predef-allocator>
3474 -----------------------------------------------------------------------------*/
3475 
3476 static void __kmp_stg_parse_allocator(char const *name, char const *value,
3477                                       void *data) {
3478   const char *buf = value;
3479   const char *next, *scan, *start;
3480   char *key;
3481   omp_allocator_handle_t al;
3482   omp_memspace_handle_t ms = omp_default_mem_space;
3483   bool is_memspace = false;
3484   int ntraits = 0, count = 0;
3485 
3486   SKIP_WS(buf);
3487   next = buf;
3488   const char *delim = strchr(buf, ':');
3489   const char *predef_mem_space = strstr(buf, "mem_space");
3490 
3491   bool is_memalloc = (!predef_mem_space && !delim) ? true : false;
3492 
3493   // Count the number of traits in the env var string
3494   if (delim) {
3495     ntraits = 1;
3496     for (scan = buf; *scan != '\0'; scan++) {
3497       if (*scan == ',')
3498         ntraits++;
3499     }
3500   }
3501   omp_alloctrait_t *traits =
3502       (omp_alloctrait_t *)KMP_ALLOCA(ntraits * sizeof(omp_alloctrait_t));
3503 
3504 // Helper macros
3505 #define IS_POWER_OF_TWO(n) (((n) & ((n)-1)) == 0)
3506 
3507 #define GET_NEXT(sentinel)                                                     \
3508   {                                                                            \
3509     SKIP_WS(next);                                                             \
3510     if (*next == sentinel)                                                     \
3511       next++;                                                                  \
3512     SKIP_WS(next);                                                             \
3513     scan = next;                                                               \
3514   }
3515 
3516 #define SKIP_PAIR(key)                                                         \
3517   {                                                                            \
3518     char const str_delimiter[] = {',', 0};                                     \
3519     char *value = __kmp_str_token(CCAST(char *, scan), str_delimiter,          \
3520                                   CCAST(char **, &next));                      \
3521     KMP_WARNING(StgInvalidValue, key, value);                                  \
3522     ntraits--;                                                                 \
3523     SKIP_WS(next);                                                             \
3524     scan = next;                                                               \
3525   }
3526 
3527 #define SET_KEY()                                                              \
3528   {                                                                            \
3529     char const str_delimiter[] = {'=', 0};                                     \
3530     key = __kmp_str_token(CCAST(char *, start), str_delimiter,                 \
3531                           CCAST(char **, &next));                              \
3532     scan = next;                                                               \
3533   }
3534 
3535   scan = next;
3536   while (*next != '\0') {
3537     if (is_memalloc ||
3538         __kmp_match_str("fb_data", scan, &next)) { // allocator check
3539       start = scan;
3540       GET_NEXT('=');
3541       // check HBW and LCAP first as the only non-default supported
3542       if (__kmp_match_str("omp_high_bw_mem_alloc", scan, &next)) {
3543         SKIP_WS(next);
3544         if (is_memalloc) {
3545           if (__kmp_memkind_available) {
3546             __kmp_def_allocator = omp_high_bw_mem_alloc;
3547             return;
3548           } else {
3549             KMP_WARNING(OmpNoAllocator, "omp_high_bw_mem_alloc");
3550           }
3551         } else {
3552           traits[count].key = omp_atk_fb_data;
3553           traits[count].value = RCAST(omp_uintptr_t, omp_high_bw_mem_alloc);
3554         }
3555       } else if (__kmp_match_str("omp_large_cap_mem_alloc", scan, &next)) {
3556         SKIP_WS(next);
3557         if (is_memalloc) {
3558           if (__kmp_memkind_available) {
3559             __kmp_def_allocator = omp_large_cap_mem_alloc;
3560             return;
3561           } else {
3562             KMP_WARNING(OmpNoAllocator, "omp_large_cap_mem_alloc");
3563           }
3564         } else {
3565           traits[count].key = omp_atk_fb_data;
3566           traits[count].value = RCAST(omp_uintptr_t, omp_large_cap_mem_alloc);
3567         }
3568       } else if (__kmp_match_str("omp_default_mem_alloc", scan, &next)) {
3569         // default requested
3570         SKIP_WS(next);
3571         if (!is_memalloc) {
3572           traits[count].key = omp_atk_fb_data;
3573           traits[count].value = RCAST(omp_uintptr_t, omp_default_mem_alloc);
3574         }
3575       } else if (__kmp_match_str("omp_const_mem_alloc", scan, &next)) {
3576         SKIP_WS(next);
3577         if (is_memalloc) {
3578           KMP_WARNING(OmpNoAllocator, "omp_const_mem_alloc");
3579         } else {
3580           traits[count].key = omp_atk_fb_data;
3581           traits[count].value = RCAST(omp_uintptr_t, omp_const_mem_alloc);
3582         }
3583       } else if (__kmp_match_str("omp_low_lat_mem_alloc", scan, &next)) {
3584         SKIP_WS(next);
3585         if (is_memalloc) {
3586           KMP_WARNING(OmpNoAllocator, "omp_low_lat_mem_alloc");
3587         } else {
3588           traits[count].key = omp_atk_fb_data;
3589           traits[count].value = RCAST(omp_uintptr_t, omp_low_lat_mem_alloc);
3590         }
3591       } else if (__kmp_match_str("omp_cgroup_mem_alloc", scan, &next)) {
3592         SKIP_WS(next);
3593         if (is_memalloc) {
3594           KMP_WARNING(OmpNoAllocator, "omp_cgroup_mem_alloc");
3595         } else {
3596           traits[count].key = omp_atk_fb_data;
3597           traits[count].value = RCAST(omp_uintptr_t, omp_cgroup_mem_alloc);
3598         }
3599       } else if (__kmp_match_str("omp_pteam_mem_alloc", scan, &next)) {
3600         SKIP_WS(next);
3601         if (is_memalloc) {
3602           KMP_WARNING(OmpNoAllocator, "omp_pteam_mem_alloc");
3603         } else {
3604           traits[count].key = omp_atk_fb_data;
3605           traits[count].value = RCAST(omp_uintptr_t, omp_pteam_mem_alloc);
3606         }
3607       } else if (__kmp_match_str("omp_thread_mem_alloc", scan, &next)) {
3608         SKIP_WS(next);
3609         if (is_memalloc) {
3610           KMP_WARNING(OmpNoAllocator, "omp_thread_mem_alloc");
3611         } else {
3612           traits[count].key = omp_atk_fb_data;
3613           traits[count].value = RCAST(omp_uintptr_t, omp_thread_mem_alloc);
3614         }
3615       } else {
3616         if (!is_memalloc) {
3617           SET_KEY();
3618           SKIP_PAIR(key);
3619           continue;
3620         }
3621       }
3622       if (is_memalloc) {
3623         __kmp_def_allocator = omp_default_mem_alloc;
3624         if (next == buf || *next != '\0') {
3625           // either no match or extra symbols present after the matched token
3626           KMP_WARNING(StgInvalidValue, name, value);
3627         }
3628         return;
3629       } else {
3630         ++count;
3631         if (count == ntraits)
3632           break;
3633         GET_NEXT(',');
3634       }
3635     } else { // memspace
3636       if (!is_memspace) {
3637         if (__kmp_match_str("omp_default_mem_space", scan, &next)) {
3638           SKIP_WS(next);
3639           ms = omp_default_mem_space;
3640         } else if (__kmp_match_str("omp_large_cap_mem_space", scan, &next)) {
3641           SKIP_WS(next);
3642           ms = omp_large_cap_mem_space;
3643         } else if (__kmp_match_str("omp_const_mem_space", scan, &next)) {
3644           SKIP_WS(next);
3645           ms = omp_const_mem_space;
3646         } else if (__kmp_match_str("omp_high_bw_mem_space", scan, &next)) {
3647           SKIP_WS(next);
3648           ms = omp_high_bw_mem_space;
3649         } else if (__kmp_match_str("omp_low_lat_mem_space", scan, &next)) {
3650           SKIP_WS(next);
3651           ms = omp_low_lat_mem_space;
3652         } else {
3653           __kmp_def_allocator = omp_default_mem_alloc;
3654           if (next == buf || *next != '\0') {
3655             // either no match or extra symbols present after the matched token
3656             KMP_WARNING(StgInvalidValue, name, value);
3657           }
3658           return;
3659         }
3660         is_memspace = true;
3661       }
3662       if (delim) { // traits
3663         GET_NEXT(':');
3664         start = scan;
3665         if (__kmp_match_str("sync_hint", scan, &next)) {
3666           GET_NEXT('=');
3667           traits[count].key = omp_atk_sync_hint;
3668           if (__kmp_match_str("contended", scan, &next)) {
3669             traits[count].value = omp_atv_contended;
3670           } else if (__kmp_match_str("uncontended", scan, &next)) {
3671             traits[count].value = omp_atv_uncontended;
3672           } else if (__kmp_match_str("serialized", scan, &next)) {
3673             traits[count].value = omp_atv_serialized;
3674           } else if (__kmp_match_str("private", scan, &next)) {
3675             traits[count].value = omp_atv_private;
3676           } else {
3677             SET_KEY();
3678             SKIP_PAIR(key);
3679             continue;
3680           }
3681         } else if (__kmp_match_str("alignment", scan, &next)) {
3682           GET_NEXT('=');
3683           if (!isdigit(*next)) {
3684             SET_KEY();
3685             SKIP_PAIR(key);
3686             continue;
3687           }
3688           SKIP_DIGITS(next);
3689           int n = __kmp_str_to_int(scan, ',');
3690           if (n < 0 || !IS_POWER_OF_TWO(n)) {
3691             SET_KEY();
3692             SKIP_PAIR(key);
3693             continue;
3694           }
3695           traits[count].key = omp_atk_alignment;
3696           traits[count].value = n;
3697         } else if (__kmp_match_str("access", scan, &next)) {
3698           GET_NEXT('=');
3699           traits[count].key = omp_atk_access;
3700           if (__kmp_match_str("all", scan, &next)) {
3701             traits[count].value = omp_atv_all;
3702           } else if (__kmp_match_str("cgroup", scan, &next)) {
3703             traits[count].value = omp_atv_cgroup;
3704           } else if (__kmp_match_str("pteam", scan, &next)) {
3705             traits[count].value = omp_atv_pteam;
3706           } else if (__kmp_match_str("thread", scan, &next)) {
3707             traits[count].value = omp_atv_thread;
3708           } else {
3709             SET_KEY();
3710             SKIP_PAIR(key);
3711             continue;
3712           }
3713         } else if (__kmp_match_str("pool_size", scan, &next)) {
3714           GET_NEXT('=');
3715           if (!isdigit(*next)) {
3716             SET_KEY();
3717             SKIP_PAIR(key);
3718             continue;
3719           }
3720           SKIP_DIGITS(next);
3721           int n = __kmp_str_to_int(scan, ',');
3722           if (n < 0) {
3723             SET_KEY();
3724             SKIP_PAIR(key);
3725             continue;
3726           }
3727           traits[count].key = omp_atk_pool_size;
3728           traits[count].value = n;
3729         } else if (__kmp_match_str("fallback", scan, &next)) {
3730           GET_NEXT('=');
3731           traits[count].key = omp_atk_fallback;
3732           if (__kmp_match_str("default_mem_fb", scan, &next)) {
3733             traits[count].value = omp_atv_default_mem_fb;
3734           } else if (__kmp_match_str("null_fb", scan, &next)) {
3735             traits[count].value = omp_atv_null_fb;
3736           } else if (__kmp_match_str("abort_fb", scan, &next)) {
3737             traits[count].value = omp_atv_abort_fb;
3738           } else if (__kmp_match_str("allocator_fb", scan, &next)) {
3739             traits[count].value = omp_atv_allocator_fb;
3740           } else {
3741             SET_KEY();
3742             SKIP_PAIR(key);
3743             continue;
3744           }
3745         } else if (__kmp_match_str("pinned", scan, &next)) {
3746           GET_NEXT('=');
3747           traits[count].key = omp_atk_pinned;
3748           if (__kmp_str_match_true(next)) {
3749             traits[count].value = omp_atv_true;
3750           } else if (__kmp_str_match_false(next)) {
3751             traits[count].value = omp_atv_false;
3752           } else {
3753             SET_KEY();
3754             SKIP_PAIR(key);
3755             continue;
3756           }
3757         } else if (__kmp_match_str("partition", scan, &next)) {
3758           GET_NEXT('=');
3759           traits[count].key = omp_atk_partition;
3760           if (__kmp_match_str("environment", scan, &next)) {
3761             traits[count].value = omp_atv_environment;
3762           } else if (__kmp_match_str("nearest", scan, &next)) {
3763             traits[count].value = omp_atv_nearest;
3764           } else if (__kmp_match_str("blocked", scan, &next)) {
3765             traits[count].value = omp_atv_blocked;
3766           } else if (__kmp_match_str("interleaved", scan, &next)) {
3767             traits[count].value = omp_atv_interleaved;
3768           } else {
3769             SET_KEY();
3770             SKIP_PAIR(key);
3771             continue;
3772           }
3773         } else {
3774           SET_KEY();
3775           SKIP_PAIR(key);
3776           continue;
3777         }
3778         SKIP_WS(next);
3779         ++count;
3780         if (count == ntraits)
3781           break;
3782         GET_NEXT(',');
3783       } // traits
3784     } // memspace
3785   } // while
3786   al = __kmpc_init_allocator(__kmp_get_gtid(), ms, ntraits, traits);
3787   __kmp_def_allocator = (al == omp_null_allocator) ? omp_default_mem_alloc : al;
3788 }
3789 
3790 static void __kmp_stg_print_allocator(kmp_str_buf_t *buffer, char const *name,
3791                                       void *data) {
3792   if (__kmp_def_allocator == omp_default_mem_alloc) {
3793     __kmp_stg_print_str(buffer, name, "omp_default_mem_alloc");
3794   } else if (__kmp_def_allocator == omp_high_bw_mem_alloc) {
3795     __kmp_stg_print_str(buffer, name, "omp_high_bw_mem_alloc");
3796   } else if (__kmp_def_allocator == omp_large_cap_mem_alloc) {
3797     __kmp_stg_print_str(buffer, name, "omp_large_cap_mem_alloc");
3798   } else if (__kmp_def_allocator == omp_const_mem_alloc) {
3799     __kmp_stg_print_str(buffer, name, "omp_const_mem_alloc");
3800   } else if (__kmp_def_allocator == omp_low_lat_mem_alloc) {
3801     __kmp_stg_print_str(buffer, name, "omp_low_lat_mem_alloc");
3802   } else if (__kmp_def_allocator == omp_cgroup_mem_alloc) {
3803     __kmp_stg_print_str(buffer, name, "omp_cgroup_mem_alloc");
3804   } else if (__kmp_def_allocator == omp_pteam_mem_alloc) {
3805     __kmp_stg_print_str(buffer, name, "omp_pteam_mem_alloc");
3806   } else if (__kmp_def_allocator == omp_thread_mem_alloc) {
3807     __kmp_stg_print_str(buffer, name, "omp_thread_mem_alloc");
3808   }
3809 }
3810 
3811 // -----------------------------------------------------------------------------
3812 // OMP_DYNAMIC
3813 
3814 static void __kmp_stg_parse_omp_dynamic(char const *name, char const *value,
3815                                         void *data) {
3816   __kmp_stg_parse_bool(name, value, &(__kmp_global.g.g_dynamic));
3817 } // __kmp_stg_parse_omp_dynamic
3818 
3819 static void __kmp_stg_print_omp_dynamic(kmp_str_buf_t *buffer, char const *name,
3820                                         void *data) {
3821   __kmp_stg_print_bool(buffer, name, __kmp_global.g.g_dynamic);
3822 } // __kmp_stg_print_omp_dynamic
3823 
3824 static void __kmp_stg_parse_kmp_dynamic_mode(char const *name,
3825                                              char const *value, void *data) {
3826   if (TCR_4(__kmp_init_parallel)) {
3827     KMP_WARNING(EnvParallelWarn, name);
3828     __kmp_env_toPrint(name, 0);
3829     return;
3830   }
3831 #ifdef USE_LOAD_BALANCE
3832   else if (__kmp_str_match("load balance", 2, value) ||
3833            __kmp_str_match("load_balance", 2, value) ||
3834            __kmp_str_match("load-balance", 2, value) ||
3835            __kmp_str_match("loadbalance", 2, value) ||
3836            __kmp_str_match("balance", 1, value)) {
3837     __kmp_global.g.g_dynamic_mode = dynamic_load_balance;
3838   }
3839 #endif /* USE_LOAD_BALANCE */
3840   else if (__kmp_str_match("thread limit", 1, value) ||
3841            __kmp_str_match("thread_limit", 1, value) ||
3842            __kmp_str_match("thread-limit", 1, value) ||
3843            __kmp_str_match("threadlimit", 1, value) ||
3844            __kmp_str_match("limit", 2, value)) {
3845     __kmp_global.g.g_dynamic_mode = dynamic_thread_limit;
3846   } else if (__kmp_str_match("random", 1, value)) {
3847     __kmp_global.g.g_dynamic_mode = dynamic_random;
3848   } else {
3849     KMP_WARNING(StgInvalidValue, name, value);
3850   }
3851 } //__kmp_stg_parse_kmp_dynamic_mode
3852 
3853 static void __kmp_stg_print_kmp_dynamic_mode(kmp_str_buf_t *buffer,
3854                                              char const *name, void *data) {
3855 #if KMP_DEBUG
3856   if (__kmp_global.g.g_dynamic_mode == dynamic_default) {
3857     __kmp_str_buf_print(buffer, "   %s: %s \n", name, KMP_I18N_STR(NotDefined));
3858   }
3859 #ifdef USE_LOAD_BALANCE
3860   else if (__kmp_global.g.g_dynamic_mode == dynamic_load_balance) {
3861     __kmp_stg_print_str(buffer, name, "load balance");
3862   }
3863 #endif /* USE_LOAD_BALANCE */
3864   else if (__kmp_global.g.g_dynamic_mode == dynamic_thread_limit) {
3865     __kmp_stg_print_str(buffer, name, "thread limit");
3866   } else if (__kmp_global.g.g_dynamic_mode == dynamic_random) {
3867     __kmp_stg_print_str(buffer, name, "random");
3868   } else {
3869     KMP_ASSERT(0);
3870   }
3871 #endif /* KMP_DEBUG */
3872 } // __kmp_stg_print_kmp_dynamic_mode
3873 
3874 #ifdef USE_LOAD_BALANCE
3875 
3876 // -----------------------------------------------------------------------------
3877 // KMP_LOAD_BALANCE_INTERVAL
3878 
3879 static void __kmp_stg_parse_ld_balance_interval(char const *name,
3880                                                 char const *value, void *data) {
3881   double interval = __kmp_convert_to_double(value);
3882   if (interval >= 0) {
3883     __kmp_load_balance_interval = interval;
3884   } else {
3885     KMP_WARNING(StgInvalidValue, name, value);
3886   }
3887 } // __kmp_stg_parse_load_balance_interval
3888 
3889 static void __kmp_stg_print_ld_balance_interval(kmp_str_buf_t *buffer,
3890                                                 char const *name, void *data) {
3891 #if KMP_DEBUG
3892   __kmp_str_buf_print(buffer, "   %s=%8.6f\n", name,
3893                       __kmp_load_balance_interval);
3894 #endif /* KMP_DEBUG */
3895 } // __kmp_stg_print_load_balance_interval
3896 
3897 #endif /* USE_LOAD_BALANCE */
3898 
3899 // -----------------------------------------------------------------------------
3900 // KMP_INIT_AT_FORK
3901 
3902 static void __kmp_stg_parse_init_at_fork(char const *name, char const *value,
3903                                          void *data) {
3904   __kmp_stg_parse_bool(name, value, &__kmp_need_register_atfork);
3905   if (__kmp_need_register_atfork) {
3906     __kmp_need_register_atfork_specified = TRUE;
3907   }
3908 } // __kmp_stg_parse_init_at_fork
3909 
3910 static void __kmp_stg_print_init_at_fork(kmp_str_buf_t *buffer,
3911                                          char const *name, void *data) {
3912   __kmp_stg_print_bool(buffer, name, __kmp_need_register_atfork_specified);
3913 } // __kmp_stg_print_init_at_fork
3914 
3915 // -----------------------------------------------------------------------------
3916 // KMP_SCHEDULE
3917 
3918 static void __kmp_stg_parse_schedule(char const *name, char const *value,
3919                                      void *data) {
3920 
3921   if (value != NULL) {
3922     size_t length = KMP_STRLEN(value);
3923     if (length > INT_MAX) {
3924       KMP_WARNING(LongValue, name);
3925     } else {
3926       const char *semicolon;
3927       if (value[length - 1] == '"' || value[length - 1] == '\'')
3928         KMP_WARNING(UnbalancedQuotes, name);
3929       do {
3930         char sentinel;
3931 
3932         semicolon = strchr(value, ';');
3933         if (*value && semicolon != value) {
3934           const char *comma = strchr(value, ',');
3935 
3936           if (comma) {
3937             ++comma;
3938             sentinel = ',';
3939           } else
3940             sentinel = ';';
3941           if (!__kmp_strcasecmp_with_sentinel("static", value, sentinel)) {
3942             if (!__kmp_strcasecmp_with_sentinel("greedy", comma, ';')) {
3943               __kmp_static = kmp_sch_static_greedy;
3944               continue;
3945             } else if (!__kmp_strcasecmp_with_sentinel("balanced", comma,
3946                                                        ';')) {
3947               __kmp_static = kmp_sch_static_balanced;
3948               continue;
3949             }
3950           } else if (!__kmp_strcasecmp_with_sentinel("guided", value,
3951                                                      sentinel)) {
3952             if (!__kmp_strcasecmp_with_sentinel("iterative", comma, ';')) {
3953               __kmp_guided = kmp_sch_guided_iterative_chunked;
3954               continue;
3955             } else if (!__kmp_strcasecmp_with_sentinel("analytical", comma,
3956                                                        ';')) {
3957               /* analytical not allowed for too many threads */
3958               __kmp_guided = kmp_sch_guided_analytical_chunked;
3959               continue;
3960             }
3961           }
3962           KMP_WARNING(InvalidClause, name, value);
3963         } else
3964           KMP_WARNING(EmptyClause, name);
3965       } while ((value = semicolon ? semicolon + 1 : NULL));
3966     }
3967   }
3968 
3969 } // __kmp_stg_parse__schedule
3970 
3971 static void __kmp_stg_print_schedule(kmp_str_buf_t *buffer, char const *name,
3972                                      void *data) {
3973   if (__kmp_env_format) {
3974     KMP_STR_BUF_PRINT_NAME_EX(name);
3975   } else {
3976     __kmp_str_buf_print(buffer, "   %s='", name);
3977   }
3978   if (__kmp_static == kmp_sch_static_greedy) {
3979     __kmp_str_buf_print(buffer, "%s", "static,greedy");
3980   } else if (__kmp_static == kmp_sch_static_balanced) {
3981     __kmp_str_buf_print(buffer, "%s", "static,balanced");
3982   }
3983   if (__kmp_guided == kmp_sch_guided_iterative_chunked) {
3984     __kmp_str_buf_print(buffer, ";%s'\n", "guided,iterative");
3985   } else if (__kmp_guided == kmp_sch_guided_analytical_chunked) {
3986     __kmp_str_buf_print(buffer, ";%s'\n", "guided,analytical");
3987   }
3988 } // __kmp_stg_print_schedule
3989 
3990 // -----------------------------------------------------------------------------
3991 // OMP_SCHEDULE
3992 
3993 static inline void __kmp_omp_schedule_restore() {
3994 #if KMP_USE_HIER_SCHED
3995   __kmp_hier_scheds.deallocate();
3996 #endif
3997   __kmp_chunk = 0;
3998   __kmp_sched = kmp_sch_default;
3999 }
4000 
4001 // if parse_hier = true:
4002 //    Parse [HW,][modifier:]kind[,chunk]
4003 // else:
4004 //    Parse [modifier:]kind[,chunk]
4005 static const char *__kmp_parse_single_omp_schedule(const char *name,
4006                                                    const char *value,
4007                                                    bool parse_hier = false) {
4008   /* get the specified scheduling style */
4009   const char *ptr = value;
4010   const char *delim;
4011   int chunk = 0;
4012   enum sched_type sched = kmp_sch_default;
4013   if (*ptr == '\0')
4014     return NULL;
4015   delim = ptr;
4016   while (*delim != ',' && *delim != ':' && *delim != '\0')
4017     delim++;
4018 #if KMP_USE_HIER_SCHED
4019   kmp_hier_layer_e layer = kmp_hier_layer_e::LAYER_THREAD;
4020   if (parse_hier) {
4021     if (*delim == ',') {
4022       if (!__kmp_strcasecmp_with_sentinel("L1", ptr, ',')) {
4023         layer = kmp_hier_layer_e::LAYER_L1;
4024       } else if (!__kmp_strcasecmp_with_sentinel("L2", ptr, ',')) {
4025         layer = kmp_hier_layer_e::LAYER_L2;
4026       } else if (!__kmp_strcasecmp_with_sentinel("L3", ptr, ',')) {
4027         layer = kmp_hier_layer_e::LAYER_L3;
4028       } else if (!__kmp_strcasecmp_with_sentinel("NUMA", ptr, ',')) {
4029         layer = kmp_hier_layer_e::LAYER_NUMA;
4030       }
4031     }
4032     if (layer != kmp_hier_layer_e::LAYER_THREAD && *delim != ',') {
4033       // If there is no comma after the layer, then this schedule is invalid
4034       KMP_WARNING(StgInvalidValue, name, value);
4035       __kmp_omp_schedule_restore();
4036       return NULL;
4037     } else if (layer != kmp_hier_layer_e::LAYER_THREAD) {
4038       ptr = ++delim;
4039       while (*delim != ',' && *delim != ':' && *delim != '\0')
4040         delim++;
4041     }
4042   }
4043 #endif // KMP_USE_HIER_SCHED
4044   // Read in schedule modifier if specified
4045   enum sched_type sched_modifier = (enum sched_type)0;
4046   if (*delim == ':') {
4047     if (!__kmp_strcasecmp_with_sentinel("monotonic", ptr, *delim)) {
4048       sched_modifier = sched_type::kmp_sch_modifier_monotonic;
4049       ptr = ++delim;
4050       while (*delim != ',' && *delim != ':' && *delim != '\0')
4051         delim++;
4052     } else if (!__kmp_strcasecmp_with_sentinel("nonmonotonic", ptr, *delim)) {
4053       sched_modifier = sched_type::kmp_sch_modifier_nonmonotonic;
4054       ptr = ++delim;
4055       while (*delim != ',' && *delim != ':' && *delim != '\0')
4056         delim++;
4057     } else if (!parse_hier) {
4058       // If there is no proper schedule modifier, then this schedule is invalid
4059       KMP_WARNING(StgInvalidValue, name, value);
4060       __kmp_omp_schedule_restore();
4061       return NULL;
4062     }
4063   }
4064   // Read in schedule kind (required)
4065   if (!__kmp_strcasecmp_with_sentinel("dynamic", ptr, *delim))
4066     sched = kmp_sch_dynamic_chunked;
4067   else if (!__kmp_strcasecmp_with_sentinel("guided", ptr, *delim))
4068     sched = kmp_sch_guided_chunked;
4069   // AC: TODO: probably remove TRAPEZOIDAL (OMP 3.0 does not allow it)
4070   else if (!__kmp_strcasecmp_with_sentinel("auto", ptr, *delim))
4071     sched = kmp_sch_auto;
4072   else if (!__kmp_strcasecmp_with_sentinel("trapezoidal", ptr, *delim))
4073     sched = kmp_sch_trapezoidal;
4074   else if (!__kmp_strcasecmp_with_sentinel("static", ptr, *delim))
4075     sched = kmp_sch_static;
4076 #if KMP_STATIC_STEAL_ENABLED
4077   else if (!__kmp_strcasecmp_with_sentinel("static_steal", ptr, *delim)) {
4078     // replace static_steal with dynamic to better cope with ordered loops
4079     sched = kmp_sch_dynamic_chunked;
4080     sched_modifier = sched_type::kmp_sch_modifier_nonmonotonic;
4081   }
4082 #endif
4083   else {
4084     // If there is no proper schedule kind, then this schedule is invalid
4085     KMP_WARNING(StgInvalidValue, name, value);
4086     __kmp_omp_schedule_restore();
4087     return NULL;
4088   }
4089 
4090   // Read in schedule chunk size if specified
4091   if (*delim == ',') {
4092     ptr = delim + 1;
4093     SKIP_WS(ptr);
4094     if (!isdigit(*ptr)) {
4095       // If there is no chunk after comma, then this schedule is invalid
4096       KMP_WARNING(StgInvalidValue, name, value);
4097       __kmp_omp_schedule_restore();
4098       return NULL;
4099     }
4100     SKIP_DIGITS(ptr);
4101     // auto schedule should not specify chunk size
4102     if (sched == kmp_sch_auto) {
4103       __kmp_msg(kmp_ms_warning, KMP_MSG(IgnoreChunk, name, delim),
4104                 __kmp_msg_null);
4105     } else {
4106       if (sched == kmp_sch_static)
4107         sched = kmp_sch_static_chunked;
4108       chunk = __kmp_str_to_int(delim + 1, *ptr);
4109       if (chunk < 1) {
4110         chunk = KMP_DEFAULT_CHUNK;
4111         __kmp_msg(kmp_ms_warning, KMP_MSG(InvalidChunk, name, delim),
4112                   __kmp_msg_null);
4113         KMP_INFORM(Using_int_Value, name, __kmp_chunk);
4114         // AC: next block commented out until KMP_DEFAULT_CHUNK != KMP_MIN_CHUNK
4115         // (to improve code coverage :)
4116         // The default chunk size is 1 according to standard, thus making
4117         // KMP_MIN_CHUNK not 1 we would introduce mess:
4118         // wrong chunk becomes 1, but it will be impossible to explicitly set
4119         // to 1 because it becomes KMP_MIN_CHUNK...
4120         // } else if ( chunk < KMP_MIN_CHUNK ) {
4121         //   chunk = KMP_MIN_CHUNK;
4122       } else if (chunk > KMP_MAX_CHUNK) {
4123         chunk = KMP_MAX_CHUNK;
4124         __kmp_msg(kmp_ms_warning, KMP_MSG(LargeChunk, name, delim),
4125                   __kmp_msg_null);
4126         KMP_INFORM(Using_int_Value, name, chunk);
4127       }
4128     }
4129   } else {
4130     ptr = delim;
4131   }
4132 
4133   SCHEDULE_SET_MODIFIERS(sched, sched_modifier);
4134 
4135 #if KMP_USE_HIER_SCHED
4136   if (layer != kmp_hier_layer_e::LAYER_THREAD) {
4137     __kmp_hier_scheds.append(sched, chunk, layer);
4138   } else
4139 #endif
4140   {
4141     __kmp_chunk = chunk;
4142     __kmp_sched = sched;
4143   }
4144   return ptr;
4145 }
4146 
4147 static void __kmp_stg_parse_omp_schedule(char const *name, char const *value,
4148                                          void *data) {
4149   size_t length;
4150   const char *ptr = value;
4151   SKIP_WS(ptr);
4152   if (value) {
4153     length = KMP_STRLEN(value);
4154     if (length) {
4155       if (value[length - 1] == '"' || value[length - 1] == '\'')
4156         KMP_WARNING(UnbalancedQuotes, name);
4157 /* get the specified scheduling style */
4158 #if KMP_USE_HIER_SCHED
4159       if (!__kmp_strcasecmp_with_sentinel("EXPERIMENTAL", ptr, ' ')) {
4160         SKIP_TOKEN(ptr);
4161         SKIP_WS(ptr);
4162         while ((ptr = __kmp_parse_single_omp_schedule(name, ptr, true))) {
4163           while (*ptr == ' ' || *ptr == '\t' || *ptr == ':')
4164             ptr++;
4165           if (*ptr == '\0')
4166             break;
4167         }
4168       } else
4169 #endif
4170         __kmp_parse_single_omp_schedule(name, ptr);
4171     } else
4172       KMP_WARNING(EmptyString, name);
4173   }
4174 #if KMP_USE_HIER_SCHED
4175   __kmp_hier_scheds.sort();
4176 #endif
4177   K_DIAG(1, ("__kmp_static == %d\n", __kmp_static))
4178   K_DIAG(1, ("__kmp_guided == %d\n", __kmp_guided))
4179   K_DIAG(1, ("__kmp_sched == %d\n", __kmp_sched))
4180   K_DIAG(1, ("__kmp_chunk == %d\n", __kmp_chunk))
4181 } // __kmp_stg_parse_omp_schedule
4182 
4183 static void __kmp_stg_print_omp_schedule(kmp_str_buf_t *buffer,
4184                                          char const *name, void *data) {
4185   if (__kmp_env_format) {
4186     KMP_STR_BUF_PRINT_NAME_EX(name);
4187   } else {
4188     __kmp_str_buf_print(buffer, "   %s='", name);
4189   }
4190   enum sched_type sched = SCHEDULE_WITHOUT_MODIFIERS(__kmp_sched);
4191   if (SCHEDULE_HAS_MONOTONIC(__kmp_sched)) {
4192     __kmp_str_buf_print(buffer, "monotonic:");
4193   } else if (SCHEDULE_HAS_NONMONOTONIC(__kmp_sched)) {
4194     __kmp_str_buf_print(buffer, "nonmonotonic:");
4195   }
4196   if (__kmp_chunk) {
4197     switch (sched) {
4198     case kmp_sch_dynamic_chunked:
4199       __kmp_str_buf_print(buffer, "%s,%d'\n", "dynamic", __kmp_chunk);
4200       break;
4201     case kmp_sch_guided_iterative_chunked:
4202     case kmp_sch_guided_analytical_chunked:
4203       __kmp_str_buf_print(buffer, "%s,%d'\n", "guided", __kmp_chunk);
4204       break;
4205     case kmp_sch_trapezoidal:
4206       __kmp_str_buf_print(buffer, "%s,%d'\n", "trapezoidal", __kmp_chunk);
4207       break;
4208     case kmp_sch_static:
4209     case kmp_sch_static_chunked:
4210     case kmp_sch_static_balanced:
4211     case kmp_sch_static_greedy:
4212       __kmp_str_buf_print(buffer, "%s,%d'\n", "static", __kmp_chunk);
4213       break;
4214     case kmp_sch_static_steal:
4215       __kmp_str_buf_print(buffer, "%s,%d'\n", "static_steal", __kmp_chunk);
4216       break;
4217     case kmp_sch_auto:
4218       __kmp_str_buf_print(buffer, "%s,%d'\n", "auto", __kmp_chunk);
4219       break;
4220     }
4221   } else {
4222     switch (sched) {
4223     case kmp_sch_dynamic_chunked:
4224       __kmp_str_buf_print(buffer, "%s'\n", "dynamic");
4225       break;
4226     case kmp_sch_guided_iterative_chunked:
4227     case kmp_sch_guided_analytical_chunked:
4228       __kmp_str_buf_print(buffer, "%s'\n", "guided");
4229       break;
4230     case kmp_sch_trapezoidal:
4231       __kmp_str_buf_print(buffer, "%s'\n", "trapezoidal");
4232       break;
4233     case kmp_sch_static:
4234     case kmp_sch_static_chunked:
4235     case kmp_sch_static_balanced:
4236     case kmp_sch_static_greedy:
4237       __kmp_str_buf_print(buffer, "%s'\n", "static");
4238       break;
4239     case kmp_sch_static_steal:
4240       __kmp_str_buf_print(buffer, "%s'\n", "static_steal");
4241       break;
4242     case kmp_sch_auto:
4243       __kmp_str_buf_print(buffer, "%s'\n", "auto");
4244       break;
4245     }
4246   }
4247 } // __kmp_stg_print_omp_schedule
4248 
4249 #if KMP_USE_HIER_SCHED
4250 // -----------------------------------------------------------------------------
4251 // KMP_DISP_HAND_THREAD
4252 static void __kmp_stg_parse_kmp_hand_thread(char const *name, char const *value,
4253                                             void *data) {
4254   __kmp_stg_parse_bool(name, value, &(__kmp_dispatch_hand_threading));
4255 } // __kmp_stg_parse_kmp_hand_thread
4256 
4257 static void __kmp_stg_print_kmp_hand_thread(kmp_str_buf_t *buffer,
4258                                             char const *name, void *data) {
4259   __kmp_stg_print_bool(buffer, name, __kmp_dispatch_hand_threading);
4260 } // __kmp_stg_print_kmp_hand_thread
4261 #endif
4262 
4263 // -----------------------------------------------------------------------------
4264 // KMP_FORCE_MONOTONIC_DYNAMIC_SCHEDULE
4265 static void __kmp_stg_parse_kmp_force_monotonic(char const *name,
4266                                                 char const *value, void *data) {
4267   __kmp_stg_parse_bool(name, value, &(__kmp_force_monotonic));
4268 } // __kmp_stg_parse_kmp_force_monotonic
4269 
4270 static void __kmp_stg_print_kmp_force_monotonic(kmp_str_buf_t *buffer,
4271                                                 char const *name, void *data) {
4272   __kmp_stg_print_bool(buffer, name, __kmp_force_monotonic);
4273 } // __kmp_stg_print_kmp_force_monotonic
4274 
4275 // -----------------------------------------------------------------------------
4276 // KMP_ATOMIC_MODE
4277 
4278 static void __kmp_stg_parse_atomic_mode(char const *name, char const *value,
4279                                         void *data) {
4280   // Modes: 0 -- do not change default; 1 -- Intel perf mode, 2 -- GOMP
4281   // compatibility mode.
4282   int mode = 0;
4283   int max = 1;
4284 #ifdef KMP_GOMP_COMPAT
4285   max = 2;
4286 #endif /* KMP_GOMP_COMPAT */
4287   __kmp_stg_parse_int(name, value, 0, max, &mode);
4288   // TODO; parse_int is not very suitable for this case. In case of overflow it
4289   // is better to use
4290   // 0 rather that max value.
4291   if (mode > 0) {
4292     __kmp_atomic_mode = mode;
4293   }
4294 } // __kmp_stg_parse_atomic_mode
4295 
4296 static void __kmp_stg_print_atomic_mode(kmp_str_buf_t *buffer, char const *name,
4297                                         void *data) {
4298   __kmp_stg_print_int(buffer, name, __kmp_atomic_mode);
4299 } // __kmp_stg_print_atomic_mode
4300 
4301 // -----------------------------------------------------------------------------
4302 // KMP_CONSISTENCY_CHECK
4303 
4304 static void __kmp_stg_parse_consistency_check(char const *name,
4305                                               char const *value, void *data) {
4306   if (!__kmp_strcasecmp_with_sentinel("all", value, 0)) {
4307     // Note, this will not work from kmp_set_defaults because th_cons stack was
4308     // not allocated
4309     // for existed thread(s) thus the first __kmp_push_<construct> will break
4310     // with assertion.
4311     // TODO: allocate th_cons if called from kmp_set_defaults.
4312     __kmp_env_consistency_check = TRUE;
4313   } else if (!__kmp_strcasecmp_with_sentinel("none", value, 0)) {
4314     __kmp_env_consistency_check = FALSE;
4315   } else {
4316     KMP_WARNING(StgInvalidValue, name, value);
4317   }
4318 } // __kmp_stg_parse_consistency_check
4319 
4320 static void __kmp_stg_print_consistency_check(kmp_str_buf_t *buffer,
4321                                               char const *name, void *data) {
4322 #if KMP_DEBUG
4323   const char *value = NULL;
4324 
4325   if (__kmp_env_consistency_check) {
4326     value = "all";
4327   } else {
4328     value = "none";
4329   }
4330 
4331   if (value != NULL) {
4332     __kmp_stg_print_str(buffer, name, value);
4333   }
4334 #endif /* KMP_DEBUG */
4335 } // __kmp_stg_print_consistency_check
4336 
4337 #if USE_ITT_BUILD
4338 // -----------------------------------------------------------------------------
4339 // KMP_ITT_PREPARE_DELAY
4340 
4341 #if USE_ITT_NOTIFY
4342 
4343 static void __kmp_stg_parse_itt_prepare_delay(char const *name,
4344                                               char const *value, void *data) {
4345   // Experimental code: KMP_ITT_PREPARE_DELAY specifies numbert of loop
4346   // iterations.
4347   int delay = 0;
4348   __kmp_stg_parse_int(name, value, 0, INT_MAX, &delay);
4349   __kmp_itt_prepare_delay = delay;
4350 } // __kmp_str_parse_itt_prepare_delay
4351 
4352 static void __kmp_stg_print_itt_prepare_delay(kmp_str_buf_t *buffer,
4353                                               char const *name, void *data) {
4354   __kmp_stg_print_uint64(buffer, name, __kmp_itt_prepare_delay);
4355 
4356 } // __kmp_str_print_itt_prepare_delay
4357 
4358 #endif // USE_ITT_NOTIFY
4359 #endif /* USE_ITT_BUILD */
4360 
4361 // -----------------------------------------------------------------------------
4362 // KMP_MALLOC_POOL_INCR
4363 
4364 static void __kmp_stg_parse_malloc_pool_incr(char const *name,
4365                                              char const *value, void *data) {
4366   __kmp_stg_parse_size(name, value, KMP_MIN_MALLOC_POOL_INCR,
4367                        KMP_MAX_MALLOC_POOL_INCR, NULL, &__kmp_malloc_pool_incr,
4368                        1);
4369 } // __kmp_stg_parse_malloc_pool_incr
4370 
4371 static void __kmp_stg_print_malloc_pool_incr(kmp_str_buf_t *buffer,
4372                                              char const *name, void *data) {
4373   __kmp_stg_print_size(buffer, name, __kmp_malloc_pool_incr);
4374 
4375 } // _kmp_stg_print_malloc_pool_incr
4376 
4377 #ifdef KMP_DEBUG
4378 
4379 // -----------------------------------------------------------------------------
4380 // KMP_PAR_RANGE
4381 
4382 static void __kmp_stg_parse_par_range_env(char const *name, char const *value,
4383                                           void *data) {
4384   __kmp_stg_parse_par_range(name, value, &__kmp_par_range,
4385                             __kmp_par_range_routine, __kmp_par_range_filename,
4386                             &__kmp_par_range_lb, &__kmp_par_range_ub);
4387 } // __kmp_stg_parse_par_range_env
4388 
4389 static void __kmp_stg_print_par_range_env(kmp_str_buf_t *buffer,
4390                                           char const *name, void *data) {
4391   if (__kmp_par_range != 0) {
4392     __kmp_stg_print_str(buffer, name, par_range_to_print);
4393   }
4394 } // __kmp_stg_print_par_range_env
4395 
4396 #endif
4397 
4398 // -----------------------------------------------------------------------------
4399 // KMP_GTID_MODE
4400 
4401 static void __kmp_stg_parse_gtid_mode(char const *name, char const *value,
4402                                       void *data) {
4403   // Modes:
4404   //   0 -- do not change default
4405   //   1 -- sp search
4406   //   2 -- use "keyed" TLS var, i.e.
4407   //        pthread_getspecific(Linux* OS/OS X*) or TlsGetValue(Windows* OS)
4408   //   3 -- __declspec(thread) TLS var in tdata section
4409   int mode = 0;
4410   int max = 2;
4411 #ifdef KMP_TDATA_GTID
4412   max = 3;
4413 #endif /* KMP_TDATA_GTID */
4414   __kmp_stg_parse_int(name, value, 0, max, &mode);
4415   // TODO; parse_int is not very suitable for this case. In case of overflow it
4416   // is better to use 0 rather that max value.
4417   if (mode == 0) {
4418     __kmp_adjust_gtid_mode = TRUE;
4419   } else {
4420     __kmp_gtid_mode = mode;
4421     __kmp_adjust_gtid_mode = FALSE;
4422   }
4423 } // __kmp_str_parse_gtid_mode
4424 
4425 static void __kmp_stg_print_gtid_mode(kmp_str_buf_t *buffer, char const *name,
4426                                       void *data) {
4427   if (__kmp_adjust_gtid_mode) {
4428     __kmp_stg_print_int(buffer, name, 0);
4429   } else {
4430     __kmp_stg_print_int(buffer, name, __kmp_gtid_mode);
4431   }
4432 } // __kmp_stg_print_gtid_mode
4433 
4434 // -----------------------------------------------------------------------------
4435 // KMP_NUM_LOCKS_IN_BLOCK
4436 
4437 static void __kmp_stg_parse_lock_block(char const *name, char const *value,
4438                                        void *data) {
4439   __kmp_stg_parse_int(name, value, 0, KMP_INT_MAX, &__kmp_num_locks_in_block);
4440 } // __kmp_str_parse_lock_block
4441 
4442 static void __kmp_stg_print_lock_block(kmp_str_buf_t *buffer, char const *name,
4443                                        void *data) {
4444   __kmp_stg_print_int(buffer, name, __kmp_num_locks_in_block);
4445 } // __kmp_stg_print_lock_block
4446 
4447 // -----------------------------------------------------------------------------
4448 // KMP_LOCK_KIND
4449 
4450 #if KMP_USE_DYNAMIC_LOCK
4451 #define KMP_STORE_LOCK_SEQ(a) (__kmp_user_lock_seq = lockseq_##a)
4452 #else
4453 #define KMP_STORE_LOCK_SEQ(a)
4454 #endif
4455 
4456 static void __kmp_stg_parse_lock_kind(char const *name, char const *value,
4457                                       void *data) {
4458   if (__kmp_init_user_locks) {
4459     KMP_WARNING(EnvLockWarn, name);
4460     return;
4461   }
4462 
4463   if (__kmp_str_match("tas", 2, value) ||
4464       __kmp_str_match("test and set", 2, value) ||
4465       __kmp_str_match("test_and_set", 2, value) ||
4466       __kmp_str_match("test-and-set", 2, value) ||
4467       __kmp_str_match("test andset", 2, value) ||
4468       __kmp_str_match("test_andset", 2, value) ||
4469       __kmp_str_match("test-andset", 2, value) ||
4470       __kmp_str_match("testand set", 2, value) ||
4471       __kmp_str_match("testand_set", 2, value) ||
4472       __kmp_str_match("testand-set", 2, value) ||
4473       __kmp_str_match("testandset", 2, value)) {
4474     __kmp_user_lock_kind = lk_tas;
4475     KMP_STORE_LOCK_SEQ(tas);
4476   }
4477 #if KMP_USE_FUTEX
4478   else if (__kmp_str_match("futex", 1, value)) {
4479     if (__kmp_futex_determine_capable()) {
4480       __kmp_user_lock_kind = lk_futex;
4481       KMP_STORE_LOCK_SEQ(futex);
4482     } else {
4483       KMP_WARNING(FutexNotSupported, name, value);
4484     }
4485   }
4486 #endif
4487   else if (__kmp_str_match("ticket", 2, value)) {
4488     __kmp_user_lock_kind = lk_ticket;
4489     KMP_STORE_LOCK_SEQ(ticket);
4490   } else if (__kmp_str_match("queuing", 1, value) ||
4491              __kmp_str_match("queue", 1, value)) {
4492     __kmp_user_lock_kind = lk_queuing;
4493     KMP_STORE_LOCK_SEQ(queuing);
4494   } else if (__kmp_str_match("drdpa ticket", 1, value) ||
4495              __kmp_str_match("drdpa_ticket", 1, value) ||
4496              __kmp_str_match("drdpa-ticket", 1, value) ||
4497              __kmp_str_match("drdpaticket", 1, value) ||
4498              __kmp_str_match("drdpa", 1, value)) {
4499     __kmp_user_lock_kind = lk_drdpa;
4500     KMP_STORE_LOCK_SEQ(drdpa);
4501   }
4502 #if KMP_USE_ADAPTIVE_LOCKS
4503   else if (__kmp_str_match("adaptive", 1, value)) {
4504     if (__kmp_cpuinfo.flags.rtm) { // ??? Is cpuinfo available here?
4505       __kmp_user_lock_kind = lk_adaptive;
4506       KMP_STORE_LOCK_SEQ(adaptive);
4507     } else {
4508       KMP_WARNING(AdaptiveNotSupported, name, value);
4509       __kmp_user_lock_kind = lk_queuing;
4510       KMP_STORE_LOCK_SEQ(queuing);
4511     }
4512   }
4513 #endif // KMP_USE_ADAPTIVE_LOCKS
4514 #if KMP_USE_DYNAMIC_LOCK && KMP_USE_TSX
4515   else if (__kmp_str_match("rtm_queuing", 1, value)) {
4516     if (__kmp_cpuinfo.flags.rtm) {
4517       __kmp_user_lock_kind = lk_rtm_queuing;
4518       KMP_STORE_LOCK_SEQ(rtm_queuing);
4519     } else {
4520       KMP_WARNING(AdaptiveNotSupported, name, value);
4521       __kmp_user_lock_kind = lk_queuing;
4522       KMP_STORE_LOCK_SEQ(queuing);
4523     }
4524   } else if (__kmp_str_match("rtm_spin", 1, value)) {
4525     if (__kmp_cpuinfo.flags.rtm) {
4526       __kmp_user_lock_kind = lk_rtm_spin;
4527       KMP_STORE_LOCK_SEQ(rtm_spin);
4528     } else {
4529       KMP_WARNING(AdaptiveNotSupported, name, value);
4530       __kmp_user_lock_kind = lk_tas;
4531       KMP_STORE_LOCK_SEQ(queuing);
4532     }
4533   } else if (__kmp_str_match("hle", 1, value)) {
4534     __kmp_user_lock_kind = lk_hle;
4535     KMP_STORE_LOCK_SEQ(hle);
4536   }
4537 #endif
4538   else {
4539     KMP_WARNING(StgInvalidValue, name, value);
4540   }
4541 }
4542 
4543 static void __kmp_stg_print_lock_kind(kmp_str_buf_t *buffer, char const *name,
4544                                       void *data) {
4545   const char *value = NULL;
4546 
4547   switch (__kmp_user_lock_kind) {
4548   case lk_default:
4549     value = "default";
4550     break;
4551 
4552   case lk_tas:
4553     value = "tas";
4554     break;
4555 
4556 #if KMP_USE_FUTEX
4557   case lk_futex:
4558     value = "futex";
4559     break;
4560 #endif
4561 
4562 #if KMP_USE_DYNAMIC_LOCK && KMP_USE_TSX
4563   case lk_rtm_queuing:
4564     value = "rtm_queuing";
4565     break;
4566 
4567   case lk_rtm_spin:
4568     value = "rtm_spin";
4569     break;
4570 
4571   case lk_hle:
4572     value = "hle";
4573     break;
4574 #endif
4575 
4576   case lk_ticket:
4577     value = "ticket";
4578     break;
4579 
4580   case lk_queuing:
4581     value = "queuing";
4582     break;
4583 
4584   case lk_drdpa:
4585     value = "drdpa";
4586     break;
4587 #if KMP_USE_ADAPTIVE_LOCKS
4588   case lk_adaptive:
4589     value = "adaptive";
4590     break;
4591 #endif
4592   }
4593 
4594   if (value != NULL) {
4595     __kmp_stg_print_str(buffer, name, value);
4596   }
4597 }
4598 
4599 // -----------------------------------------------------------------------------
4600 // KMP_SPIN_BACKOFF_PARAMS
4601 
4602 // KMP_SPIN_BACKOFF_PARAMS=max_backoff[,min_tick] (max backoff size, min tick
4603 // for machine pause)
4604 static void __kmp_stg_parse_spin_backoff_params(const char *name,
4605                                                 const char *value, void *data) {
4606   const char *next = value;
4607 
4608   int total = 0; // Count elements that were set. It'll be used as an array size
4609   int prev_comma = FALSE; // For correct processing sequential commas
4610   int i;
4611 
4612   kmp_uint32 max_backoff = __kmp_spin_backoff_params.max_backoff;
4613   kmp_uint32 min_tick = __kmp_spin_backoff_params.min_tick;
4614 
4615   // Run only 3 iterations because it is enough to read two values or find a
4616   // syntax error
4617   for (i = 0; i < 3; i++) {
4618     SKIP_WS(next);
4619 
4620     if (*next == '\0') {
4621       break;
4622     }
4623     // Next character is not an integer or not a comma OR number of values > 2
4624     // => end of list
4625     if (((*next < '0' || *next > '9') && *next != ',') || total > 2) {
4626       KMP_WARNING(EnvSyntaxError, name, value);
4627       return;
4628     }
4629     // The next character is ','
4630     if (*next == ',') {
4631       // ',' is the first character
4632       if (total == 0 || prev_comma) {
4633         total++;
4634       }
4635       prev_comma = TRUE;
4636       next++; // skip ','
4637       SKIP_WS(next);
4638     }
4639     // Next character is a digit
4640     if (*next >= '0' && *next <= '9') {
4641       int num;
4642       const char *buf = next;
4643       char const *msg = NULL;
4644       prev_comma = FALSE;
4645       SKIP_DIGITS(next);
4646       total++;
4647 
4648       const char *tmp = next;
4649       SKIP_WS(tmp);
4650       if ((*next == ' ' || *next == '\t') && (*tmp >= '0' && *tmp <= '9')) {
4651         KMP_WARNING(EnvSpacesNotAllowed, name, value);
4652         return;
4653       }
4654 
4655       num = __kmp_str_to_int(buf, *next);
4656       if (num <= 0) { // The number of retries should be > 0
4657         msg = KMP_I18N_STR(ValueTooSmall);
4658         num = 1;
4659       } else if (num > KMP_INT_MAX) {
4660         msg = KMP_I18N_STR(ValueTooLarge);
4661         num = KMP_INT_MAX;
4662       }
4663       if (msg != NULL) {
4664         // Message is not empty. Print warning.
4665         KMP_WARNING(ParseSizeIntWarn, name, value, msg);
4666         KMP_INFORM(Using_int_Value, name, num);
4667       }
4668       if (total == 1) {
4669         max_backoff = num;
4670       } else if (total == 2) {
4671         min_tick = num;
4672       }
4673     }
4674   }
4675   KMP_DEBUG_ASSERT(total > 0);
4676   if (total <= 0) {
4677     KMP_WARNING(EnvSyntaxError, name, value);
4678     return;
4679   }
4680   __kmp_spin_backoff_params.max_backoff = max_backoff;
4681   __kmp_spin_backoff_params.min_tick = min_tick;
4682 }
4683 
4684 static void __kmp_stg_print_spin_backoff_params(kmp_str_buf_t *buffer,
4685                                                 char const *name, void *data) {
4686   if (__kmp_env_format) {
4687     KMP_STR_BUF_PRINT_NAME_EX(name);
4688   } else {
4689     __kmp_str_buf_print(buffer, "   %s='", name);
4690   }
4691   __kmp_str_buf_print(buffer, "%d,%d'\n", __kmp_spin_backoff_params.max_backoff,
4692                       __kmp_spin_backoff_params.min_tick);
4693 }
4694 
4695 #if KMP_USE_ADAPTIVE_LOCKS
4696 
4697 // -----------------------------------------------------------------------------
4698 // KMP_ADAPTIVE_LOCK_PROPS, KMP_SPECULATIVE_STATSFILE
4699 
4700 // Parse out values for the tunable parameters from a string of the form
4701 // KMP_ADAPTIVE_LOCK_PROPS=max_soft_retries[,max_badness]
4702 static void __kmp_stg_parse_adaptive_lock_props(const char *name,
4703                                                 const char *value, void *data) {
4704   int max_retries = 0;
4705   int max_badness = 0;
4706 
4707   const char *next = value;
4708 
4709   int total = 0; // Count elements that were set. It'll be used as an array size
4710   int prev_comma = FALSE; // For correct processing sequential commas
4711   int i;
4712 
4713   // Save values in the structure __kmp_speculative_backoff_params
4714   // Run only 3 iterations because it is enough to read two values or find a
4715   // syntax error
4716   for (i = 0; i < 3; i++) {
4717     SKIP_WS(next);
4718 
4719     if (*next == '\0') {
4720       break;
4721     }
4722     // Next character is not an integer or not a comma OR number of values > 2
4723     // => end of list
4724     if (((*next < '0' || *next > '9') && *next != ',') || total > 2) {
4725       KMP_WARNING(EnvSyntaxError, name, value);
4726       return;
4727     }
4728     // The next character is ','
4729     if (*next == ',') {
4730       // ',' is the first character
4731       if (total == 0 || prev_comma) {
4732         total++;
4733       }
4734       prev_comma = TRUE;
4735       next++; // skip ','
4736       SKIP_WS(next);
4737     }
4738     // Next character is a digit
4739     if (*next >= '0' && *next <= '9') {
4740       int num;
4741       const char *buf = next;
4742       char const *msg = NULL;
4743       prev_comma = FALSE;
4744       SKIP_DIGITS(next);
4745       total++;
4746 
4747       const char *tmp = next;
4748       SKIP_WS(tmp);
4749       if ((*next == ' ' || *next == '\t') && (*tmp >= '0' && *tmp <= '9')) {
4750         KMP_WARNING(EnvSpacesNotAllowed, name, value);
4751         return;
4752       }
4753 
4754       num = __kmp_str_to_int(buf, *next);
4755       if (num < 0) { // The number of retries should be >= 0
4756         msg = KMP_I18N_STR(ValueTooSmall);
4757         num = 1;
4758       } else if (num > KMP_INT_MAX) {
4759         msg = KMP_I18N_STR(ValueTooLarge);
4760         num = KMP_INT_MAX;
4761       }
4762       if (msg != NULL) {
4763         // Message is not empty. Print warning.
4764         KMP_WARNING(ParseSizeIntWarn, name, value, msg);
4765         KMP_INFORM(Using_int_Value, name, num);
4766       }
4767       if (total == 1) {
4768         max_retries = num;
4769       } else if (total == 2) {
4770         max_badness = num;
4771       }
4772     }
4773   }
4774   KMP_DEBUG_ASSERT(total > 0);
4775   if (total <= 0) {
4776     KMP_WARNING(EnvSyntaxError, name, value);
4777     return;
4778   }
4779   __kmp_adaptive_backoff_params.max_soft_retries = max_retries;
4780   __kmp_adaptive_backoff_params.max_badness = max_badness;
4781 }
4782 
4783 static void __kmp_stg_print_adaptive_lock_props(kmp_str_buf_t *buffer,
4784                                                 char const *name, void *data) {
4785   if (__kmp_env_format) {
4786     KMP_STR_BUF_PRINT_NAME_EX(name);
4787   } else {
4788     __kmp_str_buf_print(buffer, "   %s='", name);
4789   }
4790   __kmp_str_buf_print(buffer, "%d,%d'\n",
4791                       __kmp_adaptive_backoff_params.max_soft_retries,
4792                       __kmp_adaptive_backoff_params.max_badness);
4793 } // __kmp_stg_print_adaptive_lock_props
4794 
4795 #if KMP_DEBUG_ADAPTIVE_LOCKS
4796 
4797 static void __kmp_stg_parse_speculative_statsfile(char const *name,
4798                                                   char const *value,
4799                                                   void *data) {
4800   __kmp_stg_parse_file(name, value, "",
4801                        CCAST(char **, &__kmp_speculative_statsfile));
4802 } // __kmp_stg_parse_speculative_statsfile
4803 
4804 static void __kmp_stg_print_speculative_statsfile(kmp_str_buf_t *buffer,
4805                                                   char const *name,
4806                                                   void *data) {
4807   if (__kmp_str_match("-", 0, __kmp_speculative_statsfile)) {
4808     __kmp_stg_print_str(buffer, name, "stdout");
4809   } else {
4810     __kmp_stg_print_str(buffer, name, __kmp_speculative_statsfile);
4811   }
4812 
4813 } // __kmp_stg_print_speculative_statsfile
4814 
4815 #endif // KMP_DEBUG_ADAPTIVE_LOCKS
4816 
4817 #endif // KMP_USE_ADAPTIVE_LOCKS
4818 
4819 // -----------------------------------------------------------------------------
4820 // KMP_HW_SUBSET (was KMP_PLACE_THREADS)
4821 // 2s16c,2t => 2S16C,2T => 2S16C \0 2T
4822 
4823 // Return KMP_HW_SUBSET preferred hardware type in case a token is ambiguously
4824 // short. The original KMP_HW_SUBSET environment variable had single letters:
4825 // s, c, t for sockets, cores, threads repsectively.
4826 static kmp_hw_t __kmp_hw_subset_break_tie(const kmp_hw_t *possible,
4827                                           size_t num_possible) {
4828   for (size_t i = 0; i < num_possible; ++i) {
4829     if (possible[i] == KMP_HW_THREAD)
4830       return KMP_HW_THREAD;
4831     else if (possible[i] == KMP_HW_CORE)
4832       return KMP_HW_CORE;
4833     else if (possible[i] == KMP_HW_SOCKET)
4834       return KMP_HW_SOCKET;
4835   }
4836   return KMP_HW_UNKNOWN;
4837 }
4838 
4839 // Return hardware type from string or HW_UNKNOWN if string cannot be parsed
4840 // This algorithm is very forgiving to the user in that, the instant it can
4841 // reduce the search space to one, it assumes that is the topology level the
4842 // user wanted, even if it is misspelled later in the token.
4843 static kmp_hw_t __kmp_stg_parse_hw_subset_name(char const *token) {
4844   size_t index, num_possible, token_length;
4845   kmp_hw_t possible[KMP_HW_LAST];
4846   const char *end;
4847 
4848   // Find the end of the hardware token string
4849   end = token;
4850   token_length = 0;
4851   while (isalnum(*end) || *end == '_') {
4852     token_length++;
4853     end++;
4854   }
4855 
4856   // Set the possibilities to all hardware types
4857   num_possible = 0;
4858   KMP_FOREACH_HW_TYPE(type) { possible[num_possible++] = type; }
4859 
4860   // Eliminate hardware types by comparing the front of the token
4861   // with hardware names
4862   // In most cases, the first letter in the token will indicate exactly
4863   // which hardware type is parsed, e.g., 'C' = Core
4864   index = 0;
4865   while (num_possible > 1 && index < token_length) {
4866     size_t n = num_possible;
4867     char token_char = (char)toupper(token[index]);
4868     for (size_t i = 0; i < n; ++i) {
4869       const char *s;
4870       kmp_hw_t type = possible[i];
4871       s = __kmp_hw_get_keyword(type, false);
4872       if (index < KMP_STRLEN(s)) {
4873         char c = (char)toupper(s[index]);
4874         // Mark hardware types for removal when the characters do not match
4875         if (c != token_char) {
4876           possible[i] = KMP_HW_UNKNOWN;
4877           num_possible--;
4878         }
4879       }
4880     }
4881     // Remove hardware types that this token cannot be
4882     size_t start = 0;
4883     for (size_t i = 0; i < n; ++i) {
4884       if (possible[i] != KMP_HW_UNKNOWN) {
4885         kmp_hw_t temp = possible[i];
4886         possible[i] = possible[start];
4887         possible[start] = temp;
4888         start++;
4889       }
4890     }
4891     KMP_ASSERT(start == num_possible);
4892     index++;
4893   }
4894 
4895   // Attempt to break a tie if user has very short token
4896   // (e.g., is 'T' tile or thread?)
4897   if (num_possible > 1)
4898     return __kmp_hw_subset_break_tie(possible, num_possible);
4899   if (num_possible == 1)
4900     return possible[0];
4901   return KMP_HW_UNKNOWN;
4902 }
4903 
4904 // The longest observable sequence of items can only be HW_LAST length
4905 // The input string is usually short enough, let's use 512 limit for now
4906 #define MAX_T_LEVEL KMP_HW_LAST
4907 #define MAX_STR_LEN 512
4908 static void __kmp_stg_parse_hw_subset(char const *name, char const *value,
4909                                       void *data) {
4910   // Value example: 1s,5c@3,2T
4911   // Which means "use 1 socket, 5 cores with offset 3, 2 threads per core"
4912   kmp_setting_t **rivals = (kmp_setting_t **)data;
4913   if (strcmp(name, "KMP_PLACE_THREADS") == 0) {
4914     KMP_INFORM(EnvVarDeprecated, name, "KMP_HW_SUBSET");
4915   }
4916   if (__kmp_stg_check_rivals(name, value, rivals)) {
4917     return;
4918   }
4919 
4920   char *components[MAX_T_LEVEL];
4921   char const *digits = "0123456789";
4922   char input[MAX_STR_LEN];
4923   size_t len = 0, mlen = MAX_STR_LEN;
4924   int level = 0;
4925   bool absolute = false;
4926   // Canonicalize the string (remove spaces, unify delimiters, etc.)
4927   char *pos = CCAST(char *, value);
4928   while (*pos && mlen) {
4929     if (*pos != ' ') { // skip spaces
4930       if (len == 0 && *pos == ':') {
4931         absolute = true;
4932       } else {
4933         input[len] = (char)(toupper(*pos));
4934         if (input[len] == 'X')
4935           input[len] = ','; // unify delimiters of levels
4936         if (input[len] == 'O' && strchr(digits, *(pos + 1)))
4937           input[len] = '@'; // unify delimiters of offset
4938         len++;
4939       }
4940     }
4941     mlen--;
4942     pos++;
4943   }
4944   if (len == 0 || mlen == 0) {
4945     goto err; // contents is either empty or too long
4946   }
4947   input[len] = '\0';
4948   // Split by delimiter
4949   pos = input;
4950   components[level++] = pos;
4951   while ((pos = strchr(pos, ','))) {
4952     if (level >= MAX_T_LEVEL)
4953       goto err; // too many components provided
4954     *pos = '\0'; // modify input and avoid more copying
4955     components[level++] = ++pos; // expect something after ","
4956   }
4957 
4958   __kmp_hw_subset = kmp_hw_subset_t::allocate();
4959   if (absolute)
4960     __kmp_hw_subset->set_absolute();
4961 
4962   // Check each component
4963   for (int i = 0; i < level; ++i) {
4964     int core_level = 0;
4965     char *core_components[MAX_T_LEVEL];
4966     // Split possible core components by '&' delimiter
4967     pos = components[i];
4968     core_components[core_level++] = pos;
4969     while ((pos = strchr(pos, '&'))) {
4970       if (core_level >= MAX_T_LEVEL)
4971         goto err; // too many different core types
4972       *pos = '\0'; // modify input and avoid more copying
4973       core_components[core_level++] = ++pos; // expect something after '&'
4974     }
4975 
4976     for (int j = 0; j < core_level; ++j) {
4977       char *offset_ptr;
4978       char *attr_ptr;
4979       int offset = 0;
4980       kmp_hw_attr_t attr;
4981       int num;
4982       // components may begin with an optional count of the number of resources
4983       if (isdigit(*core_components[j])) {
4984         num = atoi(core_components[j]);
4985         if (num <= 0) {
4986           goto err; // only positive integers are valid for count
4987         }
4988         pos = core_components[j] + strspn(core_components[j], digits);
4989       } else if (*core_components[j] == '*') {
4990         num = kmp_hw_subset_t::USE_ALL;
4991         pos = core_components[j] + 1;
4992       } else {
4993         num = kmp_hw_subset_t::USE_ALL;
4994         pos = core_components[j];
4995       }
4996 
4997       offset_ptr = strchr(core_components[j], '@');
4998       attr_ptr = strchr(core_components[j], ':');
4999 
5000       if (offset_ptr) {
5001         offset = atoi(offset_ptr + 1); // save offset
5002         *offset_ptr = '\0'; // cut the offset from the component
5003       }
5004       if (attr_ptr) {
5005         attr.clear();
5006         // save the attribute
5007 #if KMP_ARCH_X86 || KMP_ARCH_X86_64
5008         if (__kmp_str_match("intel_core", -1, attr_ptr + 1)) {
5009           attr.set_core_type(KMP_HW_CORE_TYPE_CORE);
5010         } else if (__kmp_str_match("intel_atom", -1, attr_ptr + 1)) {
5011           attr.set_core_type(KMP_HW_CORE_TYPE_ATOM);
5012         }
5013 #endif
5014         if (__kmp_str_match("eff", 3, attr_ptr + 1)) {
5015           const char *number = attr_ptr + 1;
5016           // skip the eff[iciency] token
5017           while (isalpha(*number))
5018             number++;
5019           if (!isdigit(*number)) {
5020             goto err;
5021           }
5022           int efficiency = atoi(number);
5023           attr.set_core_eff(efficiency);
5024         } else {
5025           goto err;
5026         }
5027         *attr_ptr = '\0'; // cut the attribute from the component
5028       }
5029       // detect the component type
5030       kmp_hw_t type = __kmp_stg_parse_hw_subset_name(pos);
5031       if (type == KMP_HW_UNKNOWN) {
5032         goto err;
5033       }
5034       // Only the core type can have attributes
5035       if (attr && type != KMP_HW_CORE)
5036         goto err;
5037       // Must allow core be specified more than once
5038       if (type != KMP_HW_CORE && __kmp_hw_subset->specified(type)) {
5039         goto err;
5040       }
5041       __kmp_hw_subset->push_back(num, type, offset, attr);
5042     }
5043   }
5044   return;
5045 err:
5046   KMP_WARNING(AffHWSubsetInvalid, name, value);
5047   if (__kmp_hw_subset) {
5048     kmp_hw_subset_t::deallocate(__kmp_hw_subset);
5049     __kmp_hw_subset = nullptr;
5050   }
5051   return;
5052 }
5053 
5054 static inline const char *
5055 __kmp_hw_get_core_type_keyword(kmp_hw_core_type_t type) {
5056   switch (type) {
5057   case KMP_HW_CORE_TYPE_UNKNOWN:
5058     return "unknown";
5059 #if KMP_ARCH_X86 || KMP_ARCH_X86_64
5060   case KMP_HW_CORE_TYPE_ATOM:
5061     return "intel_atom";
5062   case KMP_HW_CORE_TYPE_CORE:
5063     return "intel_core";
5064 #endif
5065   }
5066   return "unknown";
5067 }
5068 
5069 static void __kmp_stg_print_hw_subset(kmp_str_buf_t *buffer, char const *name,
5070                                       void *data) {
5071   kmp_str_buf_t buf;
5072   int depth;
5073   if (!__kmp_hw_subset)
5074     return;
5075   __kmp_str_buf_init(&buf);
5076   if (__kmp_env_format)
5077     KMP_STR_BUF_PRINT_NAME_EX(name);
5078   else
5079     __kmp_str_buf_print(buffer, "   %s='", name);
5080 
5081   depth = __kmp_hw_subset->get_depth();
5082   for (int i = 0; i < depth; ++i) {
5083     const auto &item = __kmp_hw_subset->at(i);
5084     if (i > 0)
5085       __kmp_str_buf_print(&buf, "%c", ',');
5086     for (int j = 0; j < item.num_attrs; ++j) {
5087       __kmp_str_buf_print(&buf, "%s%d%s", (j > 0 ? "&" : ""), item.num[j],
5088                           __kmp_hw_get_keyword(item.type));
5089       if (item.attr[j].is_core_type_valid())
5090         __kmp_str_buf_print(
5091             &buf, ":%s",
5092             __kmp_hw_get_core_type_keyword(item.attr[j].get_core_type()));
5093       if (item.attr[j].is_core_eff_valid())
5094         __kmp_str_buf_print(&buf, ":eff%d", item.attr[j].get_core_eff());
5095       if (item.offset[j])
5096         __kmp_str_buf_print(&buf, "@%d", item.offset[j]);
5097     }
5098   }
5099   __kmp_str_buf_print(buffer, "%s'\n", buf.str);
5100   __kmp_str_buf_free(&buf);
5101 }
5102 
5103 #if USE_ITT_BUILD
5104 // -----------------------------------------------------------------------------
5105 // KMP_FORKJOIN_FRAMES
5106 
5107 static void __kmp_stg_parse_forkjoin_frames(char const *name, char const *value,
5108                                             void *data) {
5109   __kmp_stg_parse_bool(name, value, &__kmp_forkjoin_frames);
5110 } // __kmp_stg_parse_forkjoin_frames
5111 
5112 static void __kmp_stg_print_forkjoin_frames(kmp_str_buf_t *buffer,
5113                                             char const *name, void *data) {
5114   __kmp_stg_print_bool(buffer, name, __kmp_forkjoin_frames);
5115 } // __kmp_stg_print_forkjoin_frames
5116 
5117 // -----------------------------------------------------------------------------
5118 // KMP_FORKJOIN_FRAMES_MODE
5119 
5120 static void __kmp_stg_parse_forkjoin_frames_mode(char const *name,
5121                                                  char const *value,
5122                                                  void *data) {
5123   __kmp_stg_parse_int(name, value, 0, 3, &__kmp_forkjoin_frames_mode);
5124 } // __kmp_stg_parse_forkjoin_frames
5125 
5126 static void __kmp_stg_print_forkjoin_frames_mode(kmp_str_buf_t *buffer,
5127                                                  char const *name, void *data) {
5128   __kmp_stg_print_int(buffer, name, __kmp_forkjoin_frames_mode);
5129 } // __kmp_stg_print_forkjoin_frames
5130 #endif /* USE_ITT_BUILD */
5131 
5132 // -----------------------------------------------------------------------------
5133 // KMP_ENABLE_TASK_THROTTLING
5134 
5135 static void __kmp_stg_parse_task_throttling(char const *name, char const *value,
5136                                             void *data) {
5137   __kmp_stg_parse_bool(name, value, &__kmp_enable_task_throttling);
5138 } // __kmp_stg_parse_task_throttling
5139 
5140 static void __kmp_stg_print_task_throttling(kmp_str_buf_t *buffer,
5141                                             char const *name, void *data) {
5142   __kmp_stg_print_bool(buffer, name, __kmp_enable_task_throttling);
5143 } // __kmp_stg_print_task_throttling
5144 
5145 #if KMP_HAVE_MWAIT || KMP_HAVE_UMWAIT
5146 // -----------------------------------------------------------------------------
5147 // KMP_USER_LEVEL_MWAIT
5148 
5149 static void __kmp_stg_parse_user_level_mwait(char const *name,
5150                                              char const *value, void *data) {
5151   __kmp_stg_parse_bool(name, value, &__kmp_user_level_mwait);
5152 } // __kmp_stg_parse_user_level_mwait
5153 
5154 static void __kmp_stg_print_user_level_mwait(kmp_str_buf_t *buffer,
5155                                              char const *name, void *data) {
5156   __kmp_stg_print_bool(buffer, name, __kmp_user_level_mwait);
5157 } // __kmp_stg_print_user_level_mwait
5158 
5159 // -----------------------------------------------------------------------------
5160 // KMP_MWAIT_HINTS
5161 
5162 static void __kmp_stg_parse_mwait_hints(char const *name, char const *value,
5163                                         void *data) {
5164   __kmp_stg_parse_int(name, value, 0, INT_MAX, &__kmp_mwait_hints);
5165 } // __kmp_stg_parse_mwait_hints
5166 
5167 static void __kmp_stg_print_mwait_hints(kmp_str_buf_t *buffer, char const *name,
5168                                         void *data) {
5169   __kmp_stg_print_int(buffer, name, __kmp_mwait_hints);
5170 } // __kmp_stg_print_mwait_hints
5171 
5172 #endif // KMP_HAVE_MWAIT || KMP_HAVE_UMWAIT
5173 
5174 #if KMP_HAVE_UMWAIT
5175 // -----------------------------------------------------------------------------
5176 // KMP_TPAUSE
5177 // 0 = don't use TPAUSE, 1 = use C0.1 state, 2 = use C0.2 state
5178 
5179 static void __kmp_stg_parse_tpause(char const *name, char const *value,
5180                                    void *data) {
5181   __kmp_stg_parse_int(name, value, 0, INT_MAX, &__kmp_tpause_state);
5182   if (__kmp_tpause_state != 0) {
5183     // The actual hint passed to tpause is: 0 for C0.2 and 1 for C0.1
5184     if (__kmp_tpause_state == 2) // use C0.2
5185       __kmp_tpause_hint = 0; // default was set to 1 for C0.1
5186   }
5187 } // __kmp_stg_parse_tpause
5188 
5189 static void __kmp_stg_print_tpause(kmp_str_buf_t *buffer, char const *name,
5190                                    void *data) {
5191   __kmp_stg_print_int(buffer, name, __kmp_tpause_state);
5192 } // __kmp_stg_print_tpause
5193 #endif // KMP_HAVE_UMWAIT
5194 
5195 // -----------------------------------------------------------------------------
5196 // OMP_DISPLAY_ENV
5197 
5198 static void __kmp_stg_parse_omp_display_env(char const *name, char const *value,
5199                                             void *data) {
5200   if (__kmp_str_match("VERBOSE", 1, value)) {
5201     __kmp_display_env_verbose = TRUE;
5202   } else {
5203     __kmp_stg_parse_bool(name, value, &__kmp_display_env);
5204   }
5205 } // __kmp_stg_parse_omp_display_env
5206 
5207 static void __kmp_stg_print_omp_display_env(kmp_str_buf_t *buffer,
5208                                             char const *name, void *data) {
5209   if (__kmp_display_env_verbose) {
5210     __kmp_stg_print_str(buffer, name, "VERBOSE");
5211   } else {
5212     __kmp_stg_print_bool(buffer, name, __kmp_display_env);
5213   }
5214 } // __kmp_stg_print_omp_display_env
5215 
5216 static void __kmp_stg_parse_omp_cancellation(char const *name,
5217                                              char const *value, void *data) {
5218   if (TCR_4(__kmp_init_parallel)) {
5219     KMP_WARNING(EnvParallelWarn, name);
5220     return;
5221   } // read value before first parallel only
5222   __kmp_stg_parse_bool(name, value, &__kmp_omp_cancellation);
5223 } // __kmp_stg_parse_omp_cancellation
5224 
5225 static void __kmp_stg_print_omp_cancellation(kmp_str_buf_t *buffer,
5226                                              char const *name, void *data) {
5227   __kmp_stg_print_bool(buffer, name, __kmp_omp_cancellation);
5228 } // __kmp_stg_print_omp_cancellation
5229 
5230 #if OMPT_SUPPORT
5231 int __kmp_tool = 1;
5232 
5233 static void __kmp_stg_parse_omp_tool(char const *name, char const *value,
5234                                      void *data) {
5235   __kmp_stg_parse_bool(name, value, &__kmp_tool);
5236 } // __kmp_stg_parse_omp_tool
5237 
5238 static void __kmp_stg_print_omp_tool(kmp_str_buf_t *buffer, char const *name,
5239                                      void *data) {
5240   if (__kmp_env_format) {
5241     KMP_STR_BUF_PRINT_BOOL_EX(name, __kmp_tool, "enabled", "disabled");
5242   } else {
5243     __kmp_str_buf_print(buffer, "   %s=%s\n", name,
5244                         __kmp_tool ? "enabled" : "disabled");
5245   }
5246 } // __kmp_stg_print_omp_tool
5247 
5248 char *__kmp_tool_libraries = NULL;
5249 
5250 static void __kmp_stg_parse_omp_tool_libraries(char const *name,
5251                                                char const *value, void *data) {
5252   __kmp_stg_parse_str(name, value, &__kmp_tool_libraries);
5253 } // __kmp_stg_parse_omp_tool_libraries
5254 
5255 static void __kmp_stg_print_omp_tool_libraries(kmp_str_buf_t *buffer,
5256                                                char const *name, void *data) {
5257   if (__kmp_tool_libraries)
5258     __kmp_stg_print_str(buffer, name, __kmp_tool_libraries);
5259   else {
5260     if (__kmp_env_format) {
5261       KMP_STR_BUF_PRINT_NAME;
5262     } else {
5263       __kmp_str_buf_print(buffer, "   %s", name);
5264     }
5265     __kmp_str_buf_print(buffer, ": %s\n", KMP_I18N_STR(NotDefined));
5266   }
5267 } // __kmp_stg_print_omp_tool_libraries
5268 
5269 char *__kmp_tool_verbose_init = NULL;
5270 
5271 static void __kmp_stg_parse_omp_tool_verbose_init(char const *name,
5272                                                   char const *value,
5273                                                   void *data) {
5274   __kmp_stg_parse_str(name, value, &__kmp_tool_verbose_init);
5275 } // __kmp_stg_parse_omp_tool_libraries
5276 
5277 static void __kmp_stg_print_omp_tool_verbose_init(kmp_str_buf_t *buffer,
5278                                                   char const *name,
5279                                                   void *data) {
5280   if (__kmp_tool_verbose_init)
5281     __kmp_stg_print_str(buffer, name, __kmp_tool_verbose_init);
5282   else {
5283     if (__kmp_env_format) {
5284       KMP_STR_BUF_PRINT_NAME;
5285     } else {
5286       __kmp_str_buf_print(buffer, "   %s", name);
5287     }
5288     __kmp_str_buf_print(buffer, ": %s\n", KMP_I18N_STR(NotDefined));
5289   }
5290 } // __kmp_stg_print_omp_tool_verbose_init
5291 
5292 #endif
5293 
5294 // Table.
5295 
5296 static kmp_setting_t __kmp_stg_table[] = {
5297 
5298     {"KMP_ALL_THREADS", __kmp_stg_parse_device_thread_limit, NULL, NULL, 0, 0},
5299     {"KMP_BLOCKTIME", __kmp_stg_parse_blocktime, __kmp_stg_print_blocktime,
5300      NULL, 0, 0},
5301     {"KMP_USE_YIELD", __kmp_stg_parse_use_yield, __kmp_stg_print_use_yield,
5302      NULL, 0, 0},
5303     {"KMP_DUPLICATE_LIB_OK", __kmp_stg_parse_duplicate_lib_ok,
5304      __kmp_stg_print_duplicate_lib_ok, NULL, 0, 0},
5305     {"KMP_LIBRARY", __kmp_stg_parse_wait_policy, __kmp_stg_print_wait_policy,
5306      NULL, 0, 0},
5307     {"KMP_DEVICE_THREAD_LIMIT", __kmp_stg_parse_device_thread_limit,
5308      __kmp_stg_print_device_thread_limit, NULL, 0, 0},
5309 #if KMP_USE_MONITOR
5310     {"KMP_MONITOR_STACKSIZE", __kmp_stg_parse_monitor_stacksize,
5311      __kmp_stg_print_monitor_stacksize, NULL, 0, 0},
5312 #endif
5313     {"KMP_SETTINGS", __kmp_stg_parse_settings, __kmp_stg_print_settings, NULL,
5314      0, 0},
5315     {"KMP_STACKOFFSET", __kmp_stg_parse_stackoffset,
5316      __kmp_stg_print_stackoffset, NULL, 0, 0},
5317     {"KMP_STACKSIZE", __kmp_stg_parse_stacksize, __kmp_stg_print_stacksize,
5318      NULL, 0, 0},
5319     {"KMP_STACKPAD", __kmp_stg_parse_stackpad, __kmp_stg_print_stackpad, NULL,
5320      0, 0},
5321     {"KMP_VERSION", __kmp_stg_parse_version, __kmp_stg_print_version, NULL, 0,
5322      0},
5323     {"KMP_WARNINGS", __kmp_stg_parse_warnings, __kmp_stg_print_warnings, NULL,
5324      0, 0},
5325 
5326     {"KMP_NESTING_MODE", __kmp_stg_parse_nesting_mode,
5327      __kmp_stg_print_nesting_mode, NULL, 0, 0},
5328     {"OMP_NESTED", __kmp_stg_parse_nested, __kmp_stg_print_nested, NULL, 0, 0},
5329     {"OMP_NUM_THREADS", __kmp_stg_parse_num_threads,
5330      __kmp_stg_print_num_threads, NULL, 0, 0},
5331     {"OMP_STACKSIZE", __kmp_stg_parse_stacksize, __kmp_stg_print_stacksize,
5332      NULL, 0, 0},
5333 
5334     {"KMP_TASKING", __kmp_stg_parse_tasking, __kmp_stg_print_tasking, NULL, 0,
5335      0},
5336     {"KMP_TASK_STEALING_CONSTRAINT", __kmp_stg_parse_task_stealing,
5337      __kmp_stg_print_task_stealing, NULL, 0, 0},
5338     {"OMP_MAX_ACTIVE_LEVELS", __kmp_stg_parse_max_active_levels,
5339      __kmp_stg_print_max_active_levels, NULL, 0, 0},
5340     {"OMP_DEFAULT_DEVICE", __kmp_stg_parse_default_device,
5341      __kmp_stg_print_default_device, NULL, 0, 0},
5342     {"OMP_TARGET_OFFLOAD", __kmp_stg_parse_target_offload,
5343      __kmp_stg_print_target_offload, NULL, 0, 0},
5344     {"OMP_MAX_TASK_PRIORITY", __kmp_stg_parse_max_task_priority,
5345      __kmp_stg_print_max_task_priority, NULL, 0, 0},
5346     {"KMP_TASKLOOP_MIN_TASKS", __kmp_stg_parse_taskloop_min_tasks,
5347      __kmp_stg_print_taskloop_min_tasks, NULL, 0, 0},
5348     {"OMP_THREAD_LIMIT", __kmp_stg_parse_thread_limit,
5349      __kmp_stg_print_thread_limit, NULL, 0, 0},
5350     {"KMP_TEAMS_THREAD_LIMIT", __kmp_stg_parse_teams_thread_limit,
5351      __kmp_stg_print_teams_thread_limit, NULL, 0, 0},
5352     {"OMP_NUM_TEAMS", __kmp_stg_parse_nteams, __kmp_stg_print_nteams, NULL, 0,
5353      0},
5354     {"OMP_TEAMS_THREAD_LIMIT", __kmp_stg_parse_teams_th_limit,
5355      __kmp_stg_print_teams_th_limit, NULL, 0, 0},
5356     {"OMP_WAIT_POLICY", __kmp_stg_parse_wait_policy,
5357      __kmp_stg_print_wait_policy, NULL, 0, 0},
5358     {"KMP_DISP_NUM_BUFFERS", __kmp_stg_parse_disp_buffers,
5359      __kmp_stg_print_disp_buffers, NULL, 0, 0},
5360 #if KMP_NESTED_HOT_TEAMS
5361     {"KMP_HOT_TEAMS_MAX_LEVEL", __kmp_stg_parse_hot_teams_level,
5362      __kmp_stg_print_hot_teams_level, NULL, 0, 0},
5363     {"KMP_HOT_TEAMS_MODE", __kmp_stg_parse_hot_teams_mode,
5364      __kmp_stg_print_hot_teams_mode, NULL, 0, 0},
5365 #endif // KMP_NESTED_HOT_TEAMS
5366 
5367 #if KMP_HANDLE_SIGNALS
5368     {"KMP_HANDLE_SIGNALS", __kmp_stg_parse_handle_signals,
5369      __kmp_stg_print_handle_signals, NULL, 0, 0},
5370 #endif
5371 
5372 #if KMP_ARCH_X86 || KMP_ARCH_X86_64
5373     {"KMP_INHERIT_FP_CONTROL", __kmp_stg_parse_inherit_fp_control,
5374      __kmp_stg_print_inherit_fp_control, NULL, 0, 0},
5375 #endif /* KMP_ARCH_X86 || KMP_ARCH_X86_64 */
5376 
5377 #ifdef KMP_GOMP_COMPAT
5378     {"GOMP_STACKSIZE", __kmp_stg_parse_stacksize, NULL, NULL, 0, 0},
5379 #endif
5380 
5381 #ifdef KMP_DEBUG
5382     {"KMP_A_DEBUG", __kmp_stg_parse_a_debug, __kmp_stg_print_a_debug, NULL, 0,
5383      0},
5384     {"KMP_B_DEBUG", __kmp_stg_parse_b_debug, __kmp_stg_print_b_debug, NULL, 0,
5385      0},
5386     {"KMP_C_DEBUG", __kmp_stg_parse_c_debug, __kmp_stg_print_c_debug, NULL, 0,
5387      0},
5388     {"KMP_D_DEBUG", __kmp_stg_parse_d_debug, __kmp_stg_print_d_debug, NULL, 0,
5389      0},
5390     {"KMP_E_DEBUG", __kmp_stg_parse_e_debug, __kmp_stg_print_e_debug, NULL, 0,
5391      0},
5392     {"KMP_F_DEBUG", __kmp_stg_parse_f_debug, __kmp_stg_print_f_debug, NULL, 0,
5393      0},
5394     {"KMP_DEBUG", __kmp_stg_parse_debug, NULL, /* no print */ NULL, 0, 0},
5395     {"KMP_DEBUG_BUF", __kmp_stg_parse_debug_buf, __kmp_stg_print_debug_buf,
5396      NULL, 0, 0},
5397     {"KMP_DEBUG_BUF_ATOMIC", __kmp_stg_parse_debug_buf_atomic,
5398      __kmp_stg_print_debug_buf_atomic, NULL, 0, 0},
5399     {"KMP_DEBUG_BUF_CHARS", __kmp_stg_parse_debug_buf_chars,
5400      __kmp_stg_print_debug_buf_chars, NULL, 0, 0},
5401     {"KMP_DEBUG_BUF_LINES", __kmp_stg_parse_debug_buf_lines,
5402      __kmp_stg_print_debug_buf_lines, NULL, 0, 0},
5403     {"KMP_DIAG", __kmp_stg_parse_diag, __kmp_stg_print_diag, NULL, 0, 0},
5404 
5405     {"KMP_PAR_RANGE", __kmp_stg_parse_par_range_env,
5406      __kmp_stg_print_par_range_env, NULL, 0, 0},
5407 #endif // KMP_DEBUG
5408 
5409     {"KMP_ALIGN_ALLOC", __kmp_stg_parse_align_alloc,
5410      __kmp_stg_print_align_alloc, NULL, 0, 0},
5411 
5412     {"KMP_PLAIN_BARRIER", __kmp_stg_parse_barrier_branch_bit,
5413      __kmp_stg_print_barrier_branch_bit, NULL, 0, 0},
5414     {"KMP_PLAIN_BARRIER_PATTERN", __kmp_stg_parse_barrier_pattern,
5415      __kmp_stg_print_barrier_pattern, NULL, 0, 0},
5416     {"KMP_FORKJOIN_BARRIER", __kmp_stg_parse_barrier_branch_bit,
5417      __kmp_stg_print_barrier_branch_bit, NULL, 0, 0},
5418     {"KMP_FORKJOIN_BARRIER_PATTERN", __kmp_stg_parse_barrier_pattern,
5419      __kmp_stg_print_barrier_pattern, NULL, 0, 0},
5420 #if KMP_FAST_REDUCTION_BARRIER
5421     {"KMP_REDUCTION_BARRIER", __kmp_stg_parse_barrier_branch_bit,
5422      __kmp_stg_print_barrier_branch_bit, NULL, 0, 0},
5423     {"KMP_REDUCTION_BARRIER_PATTERN", __kmp_stg_parse_barrier_pattern,
5424      __kmp_stg_print_barrier_pattern, NULL, 0, 0},
5425 #endif
5426 
5427     {"KMP_ABORT_DELAY", __kmp_stg_parse_abort_delay,
5428      __kmp_stg_print_abort_delay, NULL, 0, 0},
5429     {"KMP_CPUINFO_FILE", __kmp_stg_parse_cpuinfo_file,
5430      __kmp_stg_print_cpuinfo_file, NULL, 0, 0},
5431     {"KMP_FORCE_REDUCTION", __kmp_stg_parse_force_reduction,
5432      __kmp_stg_print_force_reduction, NULL, 0, 0},
5433     {"KMP_DETERMINISTIC_REDUCTION", __kmp_stg_parse_force_reduction,
5434      __kmp_stg_print_force_reduction, NULL, 0, 0},
5435     {"KMP_STORAGE_MAP", __kmp_stg_parse_storage_map,
5436      __kmp_stg_print_storage_map, NULL, 0, 0},
5437     {"KMP_ALL_THREADPRIVATE", __kmp_stg_parse_all_threadprivate,
5438      __kmp_stg_print_all_threadprivate, NULL, 0, 0},
5439     {"KMP_FOREIGN_THREADS_THREADPRIVATE",
5440      __kmp_stg_parse_foreign_threads_threadprivate,
5441      __kmp_stg_print_foreign_threads_threadprivate, NULL, 0, 0},
5442 
5443 #if KMP_AFFINITY_SUPPORTED
5444     {"KMP_AFFINITY", __kmp_stg_parse_affinity, __kmp_stg_print_affinity, NULL,
5445      0, 0},
5446 #ifdef KMP_GOMP_COMPAT
5447     {"GOMP_CPU_AFFINITY", __kmp_stg_parse_gomp_cpu_affinity, NULL,
5448      /* no print */ NULL, 0, 0},
5449 #endif /* KMP_GOMP_COMPAT */
5450     {"OMP_PROC_BIND", __kmp_stg_parse_proc_bind, __kmp_stg_print_proc_bind,
5451      NULL, 0, 0},
5452     {"KMP_TEAMS_PROC_BIND", __kmp_stg_parse_teams_proc_bind,
5453      __kmp_stg_print_teams_proc_bind, NULL, 0, 0},
5454     {"OMP_PLACES", __kmp_stg_parse_places, __kmp_stg_print_places, NULL, 0, 0},
5455     {"KMP_TOPOLOGY_METHOD", __kmp_stg_parse_topology_method,
5456      __kmp_stg_print_topology_method, NULL, 0, 0},
5457 
5458 #else
5459 
5460     // KMP_AFFINITY is not supported on OS X*, nor is OMP_PLACES.
5461     // OMP_PROC_BIND and proc-bind-var are supported, however.
5462     {"OMP_PROC_BIND", __kmp_stg_parse_proc_bind, __kmp_stg_print_proc_bind,
5463      NULL, 0, 0},
5464 
5465 #endif // KMP_AFFINITY_SUPPORTED
5466     {"OMP_DISPLAY_AFFINITY", __kmp_stg_parse_display_affinity,
5467      __kmp_stg_print_display_affinity, NULL, 0, 0},
5468     {"OMP_AFFINITY_FORMAT", __kmp_stg_parse_affinity_format,
5469      __kmp_stg_print_affinity_format, NULL, 0, 0},
5470     {"KMP_INIT_AT_FORK", __kmp_stg_parse_init_at_fork,
5471      __kmp_stg_print_init_at_fork, NULL, 0, 0},
5472     {"KMP_SCHEDULE", __kmp_stg_parse_schedule, __kmp_stg_print_schedule, NULL,
5473      0, 0},
5474     {"OMP_SCHEDULE", __kmp_stg_parse_omp_schedule, __kmp_stg_print_omp_schedule,
5475      NULL, 0, 0},
5476 #if KMP_USE_HIER_SCHED
5477     {"KMP_DISP_HAND_THREAD", __kmp_stg_parse_kmp_hand_thread,
5478      __kmp_stg_print_kmp_hand_thread, NULL, 0, 0},
5479 #endif
5480     {"KMP_FORCE_MONOTONIC_DYNAMIC_SCHEDULE",
5481      __kmp_stg_parse_kmp_force_monotonic, __kmp_stg_print_kmp_force_monotonic,
5482      NULL, 0, 0},
5483     {"KMP_ATOMIC_MODE", __kmp_stg_parse_atomic_mode,
5484      __kmp_stg_print_atomic_mode, NULL, 0, 0},
5485     {"KMP_CONSISTENCY_CHECK", __kmp_stg_parse_consistency_check,
5486      __kmp_stg_print_consistency_check, NULL, 0, 0},
5487 
5488 #if USE_ITT_BUILD && USE_ITT_NOTIFY
5489     {"KMP_ITT_PREPARE_DELAY", __kmp_stg_parse_itt_prepare_delay,
5490      __kmp_stg_print_itt_prepare_delay, NULL, 0, 0},
5491 #endif /* USE_ITT_BUILD && USE_ITT_NOTIFY */
5492     {"KMP_MALLOC_POOL_INCR", __kmp_stg_parse_malloc_pool_incr,
5493      __kmp_stg_print_malloc_pool_incr, NULL, 0, 0},
5494     {"KMP_GTID_MODE", __kmp_stg_parse_gtid_mode, __kmp_stg_print_gtid_mode,
5495      NULL, 0, 0},
5496     {"OMP_DYNAMIC", __kmp_stg_parse_omp_dynamic, __kmp_stg_print_omp_dynamic,
5497      NULL, 0, 0},
5498     {"KMP_DYNAMIC_MODE", __kmp_stg_parse_kmp_dynamic_mode,
5499      __kmp_stg_print_kmp_dynamic_mode, NULL, 0, 0},
5500 
5501 #ifdef USE_LOAD_BALANCE
5502     {"KMP_LOAD_BALANCE_INTERVAL", __kmp_stg_parse_ld_balance_interval,
5503      __kmp_stg_print_ld_balance_interval, NULL, 0, 0},
5504 #endif
5505 
5506     {"KMP_NUM_LOCKS_IN_BLOCK", __kmp_stg_parse_lock_block,
5507      __kmp_stg_print_lock_block, NULL, 0, 0},
5508     {"KMP_LOCK_KIND", __kmp_stg_parse_lock_kind, __kmp_stg_print_lock_kind,
5509      NULL, 0, 0},
5510     {"KMP_SPIN_BACKOFF_PARAMS", __kmp_stg_parse_spin_backoff_params,
5511      __kmp_stg_print_spin_backoff_params, NULL, 0, 0},
5512 #if KMP_USE_ADAPTIVE_LOCKS
5513     {"KMP_ADAPTIVE_LOCK_PROPS", __kmp_stg_parse_adaptive_lock_props,
5514      __kmp_stg_print_adaptive_lock_props, NULL, 0, 0},
5515 #if KMP_DEBUG_ADAPTIVE_LOCKS
5516     {"KMP_SPECULATIVE_STATSFILE", __kmp_stg_parse_speculative_statsfile,
5517      __kmp_stg_print_speculative_statsfile, NULL, 0, 0},
5518 #endif
5519 #endif // KMP_USE_ADAPTIVE_LOCKS
5520     {"KMP_PLACE_THREADS", __kmp_stg_parse_hw_subset, __kmp_stg_print_hw_subset,
5521      NULL, 0, 0},
5522     {"KMP_HW_SUBSET", __kmp_stg_parse_hw_subset, __kmp_stg_print_hw_subset,
5523      NULL, 0, 0},
5524 #if USE_ITT_BUILD
5525     {"KMP_FORKJOIN_FRAMES", __kmp_stg_parse_forkjoin_frames,
5526      __kmp_stg_print_forkjoin_frames, NULL, 0, 0},
5527     {"KMP_FORKJOIN_FRAMES_MODE", __kmp_stg_parse_forkjoin_frames_mode,
5528      __kmp_stg_print_forkjoin_frames_mode, NULL, 0, 0},
5529 #endif
5530     {"KMP_ENABLE_TASK_THROTTLING", __kmp_stg_parse_task_throttling,
5531      __kmp_stg_print_task_throttling, NULL, 0, 0},
5532 
5533     {"OMP_DISPLAY_ENV", __kmp_stg_parse_omp_display_env,
5534      __kmp_stg_print_omp_display_env, NULL, 0, 0},
5535     {"OMP_CANCELLATION", __kmp_stg_parse_omp_cancellation,
5536      __kmp_stg_print_omp_cancellation, NULL, 0, 0},
5537     {"OMP_ALLOCATOR", __kmp_stg_parse_allocator, __kmp_stg_print_allocator,
5538      NULL, 0, 0},
5539     {"LIBOMP_USE_HIDDEN_HELPER_TASK", __kmp_stg_parse_use_hidden_helper,
5540      __kmp_stg_print_use_hidden_helper, NULL, 0, 0},
5541     {"LIBOMP_NUM_HIDDEN_HELPER_THREADS",
5542      __kmp_stg_parse_num_hidden_helper_threads,
5543      __kmp_stg_print_num_hidden_helper_threads, NULL, 0, 0},
5544 
5545 #if OMPT_SUPPORT
5546     {"OMP_TOOL", __kmp_stg_parse_omp_tool, __kmp_stg_print_omp_tool, NULL, 0,
5547      0},
5548     {"OMP_TOOL_LIBRARIES", __kmp_stg_parse_omp_tool_libraries,
5549      __kmp_stg_print_omp_tool_libraries, NULL, 0, 0},
5550     {"OMP_TOOL_VERBOSE_INIT", __kmp_stg_parse_omp_tool_verbose_init,
5551      __kmp_stg_print_omp_tool_verbose_init, NULL, 0, 0},
5552 #endif
5553 
5554 #if KMP_HAVE_MWAIT || KMP_HAVE_UMWAIT
5555     {"KMP_USER_LEVEL_MWAIT", __kmp_stg_parse_user_level_mwait,
5556      __kmp_stg_print_user_level_mwait, NULL, 0, 0},
5557     {"KMP_MWAIT_HINTS", __kmp_stg_parse_mwait_hints,
5558      __kmp_stg_print_mwait_hints, NULL, 0, 0},
5559 #endif
5560 
5561 #if KMP_HAVE_UMWAIT
5562     {"KMP_TPAUSE", __kmp_stg_parse_tpause, __kmp_stg_print_tpause, NULL, 0, 0},
5563 #endif
5564     {"", NULL, NULL, NULL, 0, 0}}; // settings
5565 
5566 static int const __kmp_stg_count =
5567     sizeof(__kmp_stg_table) / sizeof(kmp_setting_t);
5568 
5569 static inline kmp_setting_t *__kmp_stg_find(char const *name) {
5570 
5571   int i;
5572   if (name != NULL) {
5573     for (i = 0; i < __kmp_stg_count; ++i) {
5574       if (strcmp(__kmp_stg_table[i].name, name) == 0) {
5575         return &__kmp_stg_table[i];
5576       }
5577     }
5578   }
5579   return NULL;
5580 
5581 } // __kmp_stg_find
5582 
5583 static int __kmp_stg_cmp(void const *_a, void const *_b) {
5584   const kmp_setting_t *a = RCAST(const kmp_setting_t *, _a);
5585   const kmp_setting_t *b = RCAST(const kmp_setting_t *, _b);
5586 
5587   // Process KMP_AFFINITY last.
5588   // It needs to come after OMP_PLACES and GOMP_CPU_AFFINITY.
5589   if (strcmp(a->name, "KMP_AFFINITY") == 0) {
5590     if (strcmp(b->name, "KMP_AFFINITY") == 0) {
5591       return 0;
5592     }
5593     return 1;
5594   } else if (strcmp(b->name, "KMP_AFFINITY") == 0) {
5595     return -1;
5596   }
5597   return strcmp(a->name, b->name);
5598 } // __kmp_stg_cmp
5599 
5600 static void __kmp_stg_init(void) {
5601 
5602   static int initialized = 0;
5603 
5604   if (!initialized) {
5605 
5606     // Sort table.
5607     qsort(__kmp_stg_table, __kmp_stg_count - 1, sizeof(kmp_setting_t),
5608           __kmp_stg_cmp);
5609 
5610     { // Initialize *_STACKSIZE data.
5611       kmp_setting_t *kmp_stacksize =
5612           __kmp_stg_find("KMP_STACKSIZE"); // 1st priority.
5613 #ifdef KMP_GOMP_COMPAT
5614       kmp_setting_t *gomp_stacksize =
5615           __kmp_stg_find("GOMP_STACKSIZE"); // 2nd priority.
5616 #endif
5617       kmp_setting_t *omp_stacksize =
5618           __kmp_stg_find("OMP_STACKSIZE"); // 3rd priority.
5619 
5620       // !!! volatile keyword is Intel(R) C Compiler bug CQ49908 workaround.
5621       // !!! Compiler does not understand rivals is used and optimizes out
5622       // assignments
5623       // !!!     rivals[ i ++ ] = ...;
5624       static kmp_setting_t *volatile rivals[4];
5625       static kmp_stg_ss_data_t kmp_data = {1, CCAST(kmp_setting_t **, rivals)};
5626 #ifdef KMP_GOMP_COMPAT
5627       static kmp_stg_ss_data_t gomp_data = {1024,
5628                                             CCAST(kmp_setting_t **, rivals)};
5629 #endif
5630       static kmp_stg_ss_data_t omp_data = {1024,
5631                                            CCAST(kmp_setting_t **, rivals)};
5632       int i = 0;
5633 
5634       rivals[i++] = kmp_stacksize;
5635 #ifdef KMP_GOMP_COMPAT
5636       if (gomp_stacksize != NULL) {
5637         rivals[i++] = gomp_stacksize;
5638       }
5639 #endif
5640       rivals[i++] = omp_stacksize;
5641       rivals[i++] = NULL;
5642 
5643       kmp_stacksize->data = &kmp_data;
5644 #ifdef KMP_GOMP_COMPAT
5645       if (gomp_stacksize != NULL) {
5646         gomp_stacksize->data = &gomp_data;
5647       }
5648 #endif
5649       omp_stacksize->data = &omp_data;
5650     }
5651 
5652     { // Initialize KMP_LIBRARY and OMP_WAIT_POLICY data.
5653       kmp_setting_t *kmp_library =
5654           __kmp_stg_find("KMP_LIBRARY"); // 1st priority.
5655       kmp_setting_t *omp_wait_policy =
5656           __kmp_stg_find("OMP_WAIT_POLICY"); // 2nd priority.
5657 
5658       // !!! volatile keyword is Intel(R) C Compiler bug CQ49908 workaround.
5659       static kmp_setting_t *volatile rivals[3];
5660       static kmp_stg_wp_data_t kmp_data = {0, CCAST(kmp_setting_t **, rivals)};
5661       static kmp_stg_wp_data_t omp_data = {1, CCAST(kmp_setting_t **, rivals)};
5662       int i = 0;
5663 
5664       rivals[i++] = kmp_library;
5665       if (omp_wait_policy != NULL) {
5666         rivals[i++] = omp_wait_policy;
5667       }
5668       rivals[i++] = NULL;
5669 
5670       kmp_library->data = &kmp_data;
5671       if (omp_wait_policy != NULL) {
5672         omp_wait_policy->data = &omp_data;
5673       }
5674     }
5675 
5676     { // Initialize KMP_DEVICE_THREAD_LIMIT and KMP_ALL_THREADS
5677       kmp_setting_t *kmp_device_thread_limit =
5678           __kmp_stg_find("KMP_DEVICE_THREAD_LIMIT"); // 1st priority.
5679       kmp_setting_t *kmp_all_threads =
5680           __kmp_stg_find("KMP_ALL_THREADS"); // 2nd priority.
5681 
5682       // !!! volatile keyword is Intel(R) C Compiler bug CQ49908 workaround.
5683       static kmp_setting_t *volatile rivals[3];
5684       int i = 0;
5685 
5686       rivals[i++] = kmp_device_thread_limit;
5687       rivals[i++] = kmp_all_threads;
5688       rivals[i++] = NULL;
5689 
5690       kmp_device_thread_limit->data = CCAST(kmp_setting_t **, rivals);
5691       kmp_all_threads->data = CCAST(kmp_setting_t **, rivals);
5692     }
5693 
5694     { // Initialize KMP_HW_SUBSET and KMP_PLACE_THREADS
5695       // 1st priority
5696       kmp_setting_t *kmp_hw_subset = __kmp_stg_find("KMP_HW_SUBSET");
5697       // 2nd priority
5698       kmp_setting_t *kmp_place_threads = __kmp_stg_find("KMP_PLACE_THREADS");
5699 
5700       // !!! volatile keyword is Intel(R) C Compiler bug CQ49908 workaround.
5701       static kmp_setting_t *volatile rivals[3];
5702       int i = 0;
5703 
5704       rivals[i++] = kmp_hw_subset;
5705       rivals[i++] = kmp_place_threads;
5706       rivals[i++] = NULL;
5707 
5708       kmp_hw_subset->data = CCAST(kmp_setting_t **, rivals);
5709       kmp_place_threads->data = CCAST(kmp_setting_t **, rivals);
5710     }
5711 
5712 #if KMP_AFFINITY_SUPPORTED
5713     { // Initialize KMP_AFFINITY, GOMP_CPU_AFFINITY, and OMP_PROC_BIND data.
5714       kmp_setting_t *kmp_affinity =
5715           __kmp_stg_find("KMP_AFFINITY"); // 1st priority.
5716       KMP_DEBUG_ASSERT(kmp_affinity != NULL);
5717 
5718 #ifdef KMP_GOMP_COMPAT
5719       kmp_setting_t *gomp_cpu_affinity =
5720           __kmp_stg_find("GOMP_CPU_AFFINITY"); // 2nd priority.
5721       KMP_DEBUG_ASSERT(gomp_cpu_affinity != NULL);
5722 #endif
5723 
5724       kmp_setting_t *omp_proc_bind =
5725           __kmp_stg_find("OMP_PROC_BIND"); // 3rd priority.
5726       KMP_DEBUG_ASSERT(omp_proc_bind != NULL);
5727 
5728       // !!! volatile keyword is Intel(R) C Compiler bug CQ49908 workaround.
5729       static kmp_setting_t *volatile rivals[4];
5730       int i = 0;
5731 
5732       rivals[i++] = kmp_affinity;
5733 
5734 #ifdef KMP_GOMP_COMPAT
5735       rivals[i++] = gomp_cpu_affinity;
5736       gomp_cpu_affinity->data = CCAST(kmp_setting_t **, rivals);
5737 #endif
5738 
5739       rivals[i++] = omp_proc_bind;
5740       omp_proc_bind->data = CCAST(kmp_setting_t **, rivals);
5741       rivals[i++] = NULL;
5742 
5743       static kmp_setting_t *volatile places_rivals[4];
5744       i = 0;
5745 
5746       kmp_setting_t *omp_places = __kmp_stg_find("OMP_PLACES"); // 3rd priority.
5747       KMP_DEBUG_ASSERT(omp_places != NULL);
5748 
5749       places_rivals[i++] = kmp_affinity;
5750 #ifdef KMP_GOMP_COMPAT
5751       places_rivals[i++] = gomp_cpu_affinity;
5752 #endif
5753       places_rivals[i++] = omp_places;
5754       omp_places->data = CCAST(kmp_setting_t **, places_rivals);
5755       places_rivals[i++] = NULL;
5756     }
5757 #else
5758 // KMP_AFFINITY not supported, so OMP_PROC_BIND has no rivals.
5759 // OMP_PLACES not supported yet.
5760 #endif // KMP_AFFINITY_SUPPORTED
5761 
5762     { // Initialize KMP_DETERMINISTIC_REDUCTION and KMP_FORCE_REDUCTION data.
5763       kmp_setting_t *kmp_force_red =
5764           __kmp_stg_find("KMP_FORCE_REDUCTION"); // 1st priority.
5765       kmp_setting_t *kmp_determ_red =
5766           __kmp_stg_find("KMP_DETERMINISTIC_REDUCTION"); // 2nd priority.
5767 
5768       // !!! volatile keyword is Intel(R) C Compiler bug CQ49908 workaround.
5769       static kmp_setting_t *volatile rivals[3];
5770       static kmp_stg_fr_data_t force_data = {1,
5771                                              CCAST(kmp_setting_t **, rivals)};
5772       static kmp_stg_fr_data_t determ_data = {0,
5773                                               CCAST(kmp_setting_t **, rivals)};
5774       int i = 0;
5775 
5776       rivals[i++] = kmp_force_red;
5777       if (kmp_determ_red != NULL) {
5778         rivals[i++] = kmp_determ_red;
5779       }
5780       rivals[i++] = NULL;
5781 
5782       kmp_force_red->data = &force_data;
5783       if (kmp_determ_red != NULL) {
5784         kmp_determ_red->data = &determ_data;
5785       }
5786     }
5787 
5788     initialized = 1;
5789   }
5790 
5791   // Reset flags.
5792   int i;
5793   for (i = 0; i < __kmp_stg_count; ++i) {
5794     __kmp_stg_table[i].set = 0;
5795   }
5796 
5797 } // __kmp_stg_init
5798 
5799 static void __kmp_stg_parse(char const *name, char const *value) {
5800   // On Windows* OS there are some nameless variables like "C:=C:\" (yeah,
5801   // really nameless, they are presented in environment block as
5802   // "=C:=C\\\x00=D:=D:\\\x00...", so let us skip them.
5803   if (name[0] == 0) {
5804     return;
5805   }
5806 
5807   if (value != NULL) {
5808     kmp_setting_t *setting = __kmp_stg_find(name);
5809     if (setting != NULL) {
5810       setting->parse(name, value, setting->data);
5811       setting->defined = 1;
5812     }
5813   }
5814 
5815 } // __kmp_stg_parse
5816 
5817 static int __kmp_stg_check_rivals( // 0 -- Ok, 1 -- errors found.
5818     char const *name, // Name of variable.
5819     char const *value, // Value of the variable.
5820     kmp_setting_t **rivals // List of rival settings (must include current one).
5821 ) {
5822 
5823   if (rivals == NULL) {
5824     return 0;
5825   }
5826 
5827   // Loop thru higher priority settings (listed before current).
5828   int i = 0;
5829   for (; strcmp(rivals[i]->name, name) != 0; i++) {
5830     KMP_DEBUG_ASSERT(rivals[i] != NULL);
5831 
5832 #if KMP_AFFINITY_SUPPORTED
5833     if (rivals[i] == __kmp_affinity_notype) {
5834       // If KMP_AFFINITY is specified without a type name,
5835       // it does not rival OMP_PROC_BIND or GOMP_CPU_AFFINITY.
5836       continue;
5837     }
5838 #endif
5839 
5840     if (rivals[i]->set) {
5841       KMP_WARNING(StgIgnored, name, rivals[i]->name);
5842       return 1;
5843     }
5844   }
5845 
5846   ++i; // Skip current setting.
5847   return 0;
5848 
5849 } // __kmp_stg_check_rivals
5850 
5851 static int __kmp_env_toPrint(char const *name, int flag) {
5852   int rc = 0;
5853   kmp_setting_t *setting = __kmp_stg_find(name);
5854   if (setting != NULL) {
5855     rc = setting->defined;
5856     if (flag >= 0) {
5857       setting->defined = flag;
5858     }
5859   }
5860   return rc;
5861 }
5862 
5863 static void __kmp_aux_env_initialize(kmp_env_blk_t *block) {
5864 
5865   char const *value;
5866 
5867   /* OMP_NUM_THREADS */
5868   value = __kmp_env_blk_var(block, "OMP_NUM_THREADS");
5869   if (value) {
5870     ompc_set_num_threads(__kmp_dflt_team_nth);
5871   }
5872 
5873   /* KMP_BLOCKTIME */
5874   value = __kmp_env_blk_var(block, "KMP_BLOCKTIME");
5875   if (value) {
5876     kmpc_set_blocktime(__kmp_dflt_blocktime);
5877   }
5878 
5879   /* OMP_NESTED */
5880   value = __kmp_env_blk_var(block, "OMP_NESTED");
5881   if (value) {
5882     ompc_set_nested(__kmp_dflt_max_active_levels > 1);
5883   }
5884 
5885   /* OMP_DYNAMIC */
5886   value = __kmp_env_blk_var(block, "OMP_DYNAMIC");
5887   if (value) {
5888     ompc_set_dynamic(__kmp_global.g.g_dynamic);
5889   }
5890 }
5891 
5892 void __kmp_env_initialize(char const *string) {
5893 
5894   kmp_env_blk_t block;
5895   int i;
5896 
5897   __kmp_stg_init();
5898 
5899   // Hack!!!
5900   if (string == NULL) {
5901     // __kmp_max_nth = __kmp_sys_max_nth;
5902     __kmp_threads_capacity =
5903         __kmp_initial_threads_capacity(__kmp_dflt_team_nth_ub);
5904   }
5905   __kmp_env_blk_init(&block, string);
5906 
5907   // update the set flag on all entries that have an env var
5908   for (i = 0; i < block.count; ++i) {
5909     if ((block.vars[i].name == NULL) || (*block.vars[i].name == '\0')) {
5910       continue;
5911     }
5912     if (block.vars[i].value == NULL) {
5913       continue;
5914     }
5915     kmp_setting_t *setting = __kmp_stg_find(block.vars[i].name);
5916     if (setting != NULL) {
5917       setting->set = 1;
5918     }
5919   }
5920 
5921   // We need to know if blocktime was set when processing OMP_WAIT_POLICY
5922   blocktime_str = __kmp_env_blk_var(&block, "KMP_BLOCKTIME");
5923 
5924   // Special case. If we parse environment, not a string, process KMP_WARNINGS
5925   // first.
5926   if (string == NULL) {
5927     char const *name = "KMP_WARNINGS";
5928     char const *value = __kmp_env_blk_var(&block, name);
5929     __kmp_stg_parse(name, value);
5930   }
5931 
5932 #if KMP_AFFINITY_SUPPORTED
5933   // Special case. KMP_AFFINITY is not a rival to other affinity env vars
5934   // if no affinity type is specified.  We want to allow
5935   // KMP_AFFINITY=[no],verbose/[no]warnings/etc.  to be enabled when
5936   // specifying the affinity type via GOMP_CPU_AFFINITY or the OMP 4.0
5937   // affinity mechanism.
5938   __kmp_affinity_notype = NULL;
5939   char const *aff_str = __kmp_env_blk_var(&block, "KMP_AFFINITY");
5940   if (aff_str != NULL) {
5941     // Check if the KMP_AFFINITY type is specified in the string.
5942     // We just search the string for "compact", "scatter", etc.
5943     // without really parsing the string.  The syntax of the
5944     // KMP_AFFINITY env var is such that none of the affinity
5945     // type names can appear anywhere other that the type
5946     // specifier, even as substrings.
5947     //
5948     // I can't find a case-insensitive version of strstr on Windows* OS.
5949     // Use the case-sensitive version for now.
5950 
5951 #if KMP_OS_WINDOWS
5952 #define FIND strstr
5953 #else
5954 #define FIND strcasestr
5955 #endif
5956 
5957     if ((FIND(aff_str, "none") == NULL) &&
5958         (FIND(aff_str, "physical") == NULL) &&
5959         (FIND(aff_str, "logical") == NULL) &&
5960         (FIND(aff_str, "compact") == NULL) &&
5961         (FIND(aff_str, "scatter") == NULL) &&
5962         (FIND(aff_str, "explicit") == NULL) &&
5963         (FIND(aff_str, "balanced") == NULL) &&
5964         (FIND(aff_str, "disabled") == NULL)) {
5965       __kmp_affinity_notype = __kmp_stg_find("KMP_AFFINITY");
5966     } else {
5967       // A new affinity type is specified.
5968       // Reset the affinity flags to their default values,
5969       // in case this is called from kmp_set_defaults().
5970       __kmp_affinity_type = affinity_default;
5971       __kmp_affinity_gran = KMP_HW_UNKNOWN;
5972       __kmp_affinity_top_method = affinity_top_method_default;
5973       __kmp_affinity_respect_mask = affinity_respect_mask_default;
5974     }
5975 #undef FIND
5976 
5977     // Also reset the affinity flags if OMP_PROC_BIND is specified.
5978     aff_str = __kmp_env_blk_var(&block, "OMP_PROC_BIND");
5979     if (aff_str != NULL) {
5980       __kmp_affinity_type = affinity_default;
5981       __kmp_affinity_gran = KMP_HW_UNKNOWN;
5982       __kmp_affinity_top_method = affinity_top_method_default;
5983       __kmp_affinity_respect_mask = affinity_respect_mask_default;
5984     }
5985   }
5986 
5987 #endif /* KMP_AFFINITY_SUPPORTED */
5988 
5989   // Set up the nested proc bind type vector.
5990   if (__kmp_nested_proc_bind.bind_types == NULL) {
5991     __kmp_nested_proc_bind.bind_types =
5992         (kmp_proc_bind_t *)KMP_INTERNAL_MALLOC(sizeof(kmp_proc_bind_t));
5993     if (__kmp_nested_proc_bind.bind_types == NULL) {
5994       KMP_FATAL(MemoryAllocFailed);
5995     }
5996     __kmp_nested_proc_bind.size = 1;
5997     __kmp_nested_proc_bind.used = 1;
5998 #if KMP_AFFINITY_SUPPORTED
5999     __kmp_nested_proc_bind.bind_types[0] = proc_bind_default;
6000 #else
6001     // default proc bind is false if affinity not supported
6002     __kmp_nested_proc_bind.bind_types[0] = proc_bind_false;
6003 #endif
6004   }
6005 
6006   // Set up the affinity format ICV
6007   // Grab the default affinity format string from the message catalog
6008   kmp_msg_t m =
6009       __kmp_msg_format(kmp_i18n_msg_AffFormatDefault, "%P", "%i", "%n", "%A");
6010   KMP_DEBUG_ASSERT(KMP_STRLEN(m.str) < KMP_AFFINITY_FORMAT_SIZE);
6011 
6012   if (__kmp_affinity_format == NULL) {
6013     __kmp_affinity_format =
6014         (char *)KMP_INTERNAL_MALLOC(sizeof(char) * KMP_AFFINITY_FORMAT_SIZE);
6015   }
6016   KMP_STRCPY_S(__kmp_affinity_format, KMP_AFFINITY_FORMAT_SIZE, m.str);
6017   __kmp_str_free(&m.str);
6018 
6019   // Now process all of the settings.
6020   for (i = 0; i < block.count; ++i) {
6021     __kmp_stg_parse(block.vars[i].name, block.vars[i].value);
6022   }
6023 
6024   // If user locks have been allocated yet, don't reset the lock vptr table.
6025   if (!__kmp_init_user_locks) {
6026     if (__kmp_user_lock_kind == lk_default) {
6027       __kmp_user_lock_kind = lk_queuing;
6028     }
6029 #if KMP_USE_DYNAMIC_LOCK
6030     __kmp_init_dynamic_user_locks();
6031 #else
6032     __kmp_set_user_lock_vptrs(__kmp_user_lock_kind);
6033 #endif
6034   } else {
6035     KMP_DEBUG_ASSERT(string != NULL); // kmp_set_defaults() was called
6036     KMP_DEBUG_ASSERT(__kmp_user_lock_kind != lk_default);
6037 // Binds lock functions again to follow the transition between different
6038 // KMP_CONSISTENCY_CHECK values. Calling this again is harmless as long
6039 // as we do not allow lock kind changes after making a call to any
6040 // user lock functions (true).
6041 #if KMP_USE_DYNAMIC_LOCK
6042     __kmp_init_dynamic_user_locks();
6043 #else
6044     __kmp_set_user_lock_vptrs(__kmp_user_lock_kind);
6045 #endif
6046   }
6047 
6048 #if KMP_AFFINITY_SUPPORTED
6049 
6050   if (!TCR_4(__kmp_init_middle)) {
6051 #if KMP_USE_HWLOC
6052     // Force using hwloc when either tiles or numa nodes requested within
6053     // KMP_HW_SUBSET or granularity setting and no other topology method
6054     // is requested
6055     if (__kmp_hw_subset &&
6056         __kmp_affinity_top_method == affinity_top_method_default)
6057       if (__kmp_hw_subset->specified(KMP_HW_NUMA) ||
6058           __kmp_hw_subset->specified(KMP_HW_TILE) ||
6059           __kmp_affinity_gran == KMP_HW_TILE ||
6060           __kmp_affinity_gran == KMP_HW_NUMA)
6061         __kmp_affinity_top_method = affinity_top_method_hwloc;
6062     // Force using hwloc when tiles or numa nodes requested for OMP_PLACES
6063     if (__kmp_affinity_gran == KMP_HW_NUMA ||
6064         __kmp_affinity_gran == KMP_HW_TILE)
6065       __kmp_affinity_top_method = affinity_top_method_hwloc;
6066 #endif
6067     // Determine if the machine/OS is actually capable of supporting
6068     // affinity.
6069     const char *var = "KMP_AFFINITY";
6070     KMPAffinity::pick_api();
6071 #if KMP_USE_HWLOC
6072     // If Hwloc topology discovery was requested but affinity was also disabled,
6073     // then tell user that Hwloc request is being ignored and use default
6074     // topology discovery method.
6075     if (__kmp_affinity_top_method == affinity_top_method_hwloc &&
6076         __kmp_affinity_dispatch->get_api_type() != KMPAffinity::HWLOC) {
6077       KMP_WARNING(AffIgnoringHwloc, var);
6078       __kmp_affinity_top_method = affinity_top_method_all;
6079     }
6080 #endif
6081     if (__kmp_affinity_type == affinity_disabled) {
6082       KMP_AFFINITY_DISABLE();
6083     } else if (!KMP_AFFINITY_CAPABLE()) {
6084       __kmp_affinity_dispatch->determine_capable(var);
6085       if (!KMP_AFFINITY_CAPABLE()) {
6086         if (__kmp_affinity_verbose ||
6087             (__kmp_affinity_warnings &&
6088              (__kmp_affinity_type != affinity_default) &&
6089              (__kmp_affinity_type != affinity_none) &&
6090              (__kmp_affinity_type != affinity_disabled))) {
6091           KMP_WARNING(AffNotSupported, var);
6092         }
6093         __kmp_affinity_type = affinity_disabled;
6094         __kmp_affinity_respect_mask = 0;
6095         __kmp_affinity_gran = KMP_HW_THREAD;
6096       }
6097     }
6098 
6099     if (__kmp_affinity_type == affinity_disabled) {
6100       __kmp_nested_proc_bind.bind_types[0] = proc_bind_false;
6101     } else if (__kmp_nested_proc_bind.bind_types[0] == proc_bind_true) {
6102       // OMP_PROC_BIND=true maps to OMP_PROC_BIND=spread.
6103       __kmp_nested_proc_bind.bind_types[0] = proc_bind_spread;
6104     }
6105 
6106     if (KMP_AFFINITY_CAPABLE()) {
6107 
6108 #if KMP_GROUP_AFFINITY
6109       // This checks to see if the initial affinity mask is equal
6110       // to a single windows processor group.  If it is, then we do
6111       // not respect the initial affinity mask and instead, use the
6112       // entire machine.
6113       bool exactly_one_group = false;
6114       if (__kmp_num_proc_groups > 1) {
6115         int group;
6116         bool within_one_group;
6117         // Get the initial affinity mask and determine if it is
6118         // contained within a single group.
6119         kmp_affin_mask_t *init_mask;
6120         KMP_CPU_ALLOC(init_mask);
6121         __kmp_get_system_affinity(init_mask, TRUE);
6122         group = __kmp_get_proc_group(init_mask);
6123         within_one_group = (group >= 0);
6124         // If the initial affinity is within a single group,
6125         // then determine if it is equal to that single group.
6126         if (within_one_group) {
6127           DWORD num_bits_in_group = __kmp_GetActiveProcessorCount(group);
6128           DWORD num_bits_in_mask = 0;
6129           for (int bit = init_mask->begin(); bit != init_mask->end();
6130                bit = init_mask->next(bit))
6131             num_bits_in_mask++;
6132           exactly_one_group = (num_bits_in_group == num_bits_in_mask);
6133         }
6134         KMP_CPU_FREE(init_mask);
6135       }
6136 
6137       // Handle the Win 64 group affinity stuff if there are multiple
6138       // processor groups, or if the user requested it, and OMP 4.0
6139       // affinity is not in effect.
6140       if (__kmp_num_proc_groups > 1 &&
6141           __kmp_affinity_type == affinity_default &&
6142           __kmp_nested_proc_bind.bind_types[0] == proc_bind_default) {
6143         // Do not respect the initial processor affinity mask if it is assigned
6144         // exactly one Windows Processor Group since this is interpreted as the
6145         // default OS assignment. Not respecting the mask allows the runtime to
6146         // use all the logical processors in all groups.
6147         if (__kmp_affinity_respect_mask == affinity_respect_mask_default &&
6148             exactly_one_group) {
6149           __kmp_affinity_respect_mask = FALSE;
6150         }
6151         // Use compact affinity with anticipation of pinning to at least the
6152         // group granularity since threads can only be bound to one group.
6153         if (__kmp_affinity_type == affinity_default) {
6154           __kmp_affinity_type = affinity_compact;
6155           __kmp_nested_proc_bind.bind_types[0] = proc_bind_intel;
6156         }
6157         if (__kmp_affinity_top_method == affinity_top_method_default)
6158           __kmp_affinity_top_method = affinity_top_method_all;
6159         if (__kmp_affinity_gran == KMP_HW_UNKNOWN)
6160           __kmp_affinity_gran = KMP_HW_PROC_GROUP;
6161       } else
6162 
6163 #endif /* KMP_GROUP_AFFINITY */
6164 
6165       {
6166         if (__kmp_affinity_respect_mask == affinity_respect_mask_default) {
6167 #if KMP_GROUP_AFFINITY
6168           if (__kmp_num_proc_groups > 1 && exactly_one_group) {
6169             __kmp_affinity_respect_mask = FALSE;
6170           } else
6171 #endif /* KMP_GROUP_AFFINITY */
6172           {
6173             __kmp_affinity_respect_mask = TRUE;
6174           }
6175         }
6176         if ((__kmp_nested_proc_bind.bind_types[0] != proc_bind_intel) &&
6177             (__kmp_nested_proc_bind.bind_types[0] != proc_bind_default)) {
6178           if (__kmp_affinity_type == affinity_default) {
6179             __kmp_affinity_type = affinity_compact;
6180             __kmp_affinity_dups = FALSE;
6181           }
6182         } else if (__kmp_affinity_type == affinity_default) {
6183 #if KMP_MIC_SUPPORTED
6184           if (__kmp_mic_type != non_mic) {
6185             __kmp_nested_proc_bind.bind_types[0] = proc_bind_intel;
6186           } else
6187 #endif
6188           {
6189             __kmp_nested_proc_bind.bind_types[0] = proc_bind_false;
6190           }
6191 #if KMP_MIC_SUPPORTED
6192           if (__kmp_mic_type != non_mic) {
6193             __kmp_affinity_type = affinity_scatter;
6194           } else
6195 #endif
6196           {
6197             __kmp_affinity_type = affinity_none;
6198           }
6199         }
6200         if ((__kmp_affinity_gran == KMP_HW_UNKNOWN) &&
6201             (__kmp_affinity_gran_levels < 0)) {
6202 #if KMP_MIC_SUPPORTED
6203           if (__kmp_mic_type != non_mic) {
6204             __kmp_affinity_gran = KMP_HW_THREAD;
6205           } else
6206 #endif
6207           {
6208             __kmp_affinity_gran = KMP_HW_CORE;
6209           }
6210         }
6211         if (__kmp_affinity_top_method == affinity_top_method_default) {
6212           __kmp_affinity_top_method = affinity_top_method_all;
6213         }
6214       }
6215     }
6216 
6217     K_DIAG(1, ("__kmp_affinity_type         == %d\n", __kmp_affinity_type));
6218     K_DIAG(1, ("__kmp_affinity_compact      == %d\n", __kmp_affinity_compact));
6219     K_DIAG(1, ("__kmp_affinity_offset       == %d\n", __kmp_affinity_offset));
6220     K_DIAG(1, ("__kmp_affinity_verbose      == %d\n", __kmp_affinity_verbose));
6221     K_DIAG(1, ("__kmp_affinity_warnings     == %d\n", __kmp_affinity_warnings));
6222     K_DIAG(1, ("__kmp_affinity_respect_mask == %d\n",
6223                __kmp_affinity_respect_mask));
6224     K_DIAG(1, ("__kmp_affinity_gran         == %d\n", __kmp_affinity_gran));
6225 
6226     KMP_DEBUG_ASSERT(__kmp_affinity_type != affinity_default);
6227     KMP_DEBUG_ASSERT(__kmp_nested_proc_bind.bind_types[0] != proc_bind_default);
6228     K_DIAG(1, ("__kmp_nested_proc_bind.bind_types[0] == %d\n",
6229                __kmp_nested_proc_bind.bind_types[0]));
6230   }
6231 
6232 #endif /* KMP_AFFINITY_SUPPORTED */
6233 
6234   if (__kmp_version) {
6235     __kmp_print_version_1();
6236   }
6237 
6238   // Post-initialization step: some env. vars need their value's further
6239   // processing
6240   if (string != NULL) { // kmp_set_defaults() was called
6241     __kmp_aux_env_initialize(&block);
6242   }
6243 
6244   __kmp_env_blk_free(&block);
6245 
6246   KMP_MB();
6247 
6248 } // __kmp_env_initialize
6249 
6250 void __kmp_env_print() {
6251 
6252   kmp_env_blk_t block;
6253   int i;
6254   kmp_str_buf_t buffer;
6255 
6256   __kmp_stg_init();
6257   __kmp_str_buf_init(&buffer);
6258 
6259   __kmp_env_blk_init(&block, NULL);
6260   __kmp_env_blk_sort(&block);
6261 
6262   // Print real environment values.
6263   __kmp_str_buf_print(&buffer, "\n%s\n\n", KMP_I18N_STR(UserSettings));
6264   for (i = 0; i < block.count; ++i) {
6265     char const *name = block.vars[i].name;
6266     char const *value = block.vars[i].value;
6267     if ((KMP_STRLEN(name) > 4 && strncmp(name, "KMP_", 4) == 0) ||
6268         strncmp(name, "OMP_", 4) == 0
6269 #ifdef KMP_GOMP_COMPAT
6270         || strncmp(name, "GOMP_", 5) == 0
6271 #endif // KMP_GOMP_COMPAT
6272     ) {
6273       __kmp_str_buf_print(&buffer, "   %s=%s\n", name, value);
6274     }
6275   }
6276   __kmp_str_buf_print(&buffer, "\n");
6277 
6278   // Print internal (effective) settings.
6279   __kmp_str_buf_print(&buffer, "%s\n\n", KMP_I18N_STR(EffectiveSettings));
6280   for (int i = 0; i < __kmp_stg_count; ++i) {
6281     if (__kmp_stg_table[i].print != NULL) {
6282       __kmp_stg_table[i].print(&buffer, __kmp_stg_table[i].name,
6283                                __kmp_stg_table[i].data);
6284     }
6285   }
6286 
6287   __kmp_printf("%s", buffer.str);
6288 
6289   __kmp_env_blk_free(&block);
6290   __kmp_str_buf_free(&buffer);
6291 
6292   __kmp_printf("\n");
6293 
6294 } // __kmp_env_print
6295 
6296 void __kmp_env_print_2() {
6297   __kmp_display_env_impl(__kmp_display_env, __kmp_display_env_verbose);
6298 } // __kmp_env_print_2
6299 
6300 void __kmp_display_env_impl(int display_env, int display_env_verbose) {
6301   kmp_env_blk_t block;
6302   kmp_str_buf_t buffer;
6303 
6304   __kmp_env_format = 1;
6305 
6306   __kmp_stg_init();
6307   __kmp_str_buf_init(&buffer);
6308 
6309   __kmp_env_blk_init(&block, NULL);
6310   __kmp_env_blk_sort(&block);
6311 
6312   __kmp_str_buf_print(&buffer, "\n%s\n", KMP_I18N_STR(DisplayEnvBegin));
6313   __kmp_str_buf_print(&buffer, "   _OPENMP='%d'\n", __kmp_openmp_version);
6314 
6315   for (int i = 0; i < __kmp_stg_count; ++i) {
6316     if (__kmp_stg_table[i].print != NULL &&
6317         ((display_env && strncmp(__kmp_stg_table[i].name, "OMP_", 4) == 0) ||
6318          display_env_verbose)) {
6319       __kmp_stg_table[i].print(&buffer, __kmp_stg_table[i].name,
6320                                __kmp_stg_table[i].data);
6321     }
6322   }
6323 
6324   __kmp_str_buf_print(&buffer, "%s\n", KMP_I18N_STR(DisplayEnvEnd));
6325   __kmp_str_buf_print(&buffer, "\n");
6326 
6327   __kmp_printf("%s", buffer.str);
6328 
6329   __kmp_env_blk_free(&block);
6330   __kmp_str_buf_free(&buffer);
6331 
6332   __kmp_printf("\n");
6333 }
6334 
6335 #if OMPD_SUPPORT
6336 // Dump environment variables for OMPD
6337 void __kmp_env_dump() {
6338 
6339   kmp_env_blk_t block;
6340   kmp_str_buf_t buffer, env, notdefined;
6341 
6342   __kmp_stg_init();
6343   __kmp_str_buf_init(&buffer);
6344   __kmp_str_buf_init(&env);
6345   __kmp_str_buf_init(&notdefined);
6346 
6347   __kmp_env_blk_init(&block, NULL);
6348   __kmp_env_blk_sort(&block);
6349 
6350   __kmp_str_buf_print(&notdefined, ": %s", KMP_I18N_STR(NotDefined));
6351 
6352   for (int i = 0; i < __kmp_stg_count; ++i) {
6353     if (__kmp_stg_table[i].print == NULL)
6354       continue;
6355     __kmp_str_buf_clear(&env);
6356     __kmp_stg_table[i].print(&env, __kmp_stg_table[i].name,
6357                              __kmp_stg_table[i].data);
6358     if (env.used < 4) // valid definition must have indents (3) and a new line
6359       continue;
6360     if (strstr(env.str, notdefined.str))
6361       // normalize the string
6362       __kmp_str_buf_print(&buffer, "%s=undefined\n", __kmp_stg_table[i].name);
6363     else
6364       __kmp_str_buf_cat(&buffer, env.str + 3, env.used - 3);
6365   }
6366 
6367   ompd_env_block = (char *)__kmp_allocate(buffer.used + 1);
6368   KMP_MEMCPY(ompd_env_block, buffer.str, buffer.used + 1);
6369   ompd_env_block_size = (ompd_size_t)KMP_STRLEN(ompd_env_block);
6370 
6371   __kmp_env_blk_free(&block);
6372   __kmp_str_buf_free(&buffer);
6373   __kmp_str_buf_free(&env);
6374   __kmp_str_buf_free(&notdefined);
6375 }
6376 #endif // OMPD_SUPPORT
6377 
6378 // end of file
6379